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Finding the Fourth Proportional to 3,476.58, 4,798.14 and 1,984.16

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Solution

The fourth proportional to 3,476.58, 4,798.14 and 1,984.16 is: 2,738.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.58 : 4,798.14 = 1,984.16 : x
  2. Step 2: Convert to fraction form
    3,476.58/4,798.14 = 1,984.16/x
  3. Step 3: Cross multiply
    3,476.58x = 4,798.14 × 1,984.16
  4. Step 4: Simplify right side
    3,476.58x = 9,520,277.46
  5. Step 5: Solve for x
    x = 9,520,277.46/3,476.58
  6. Step 6: Final answer
    x = 2,738.40

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.