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Finding the Fourth Proportional to 6,262.76, 8,643.78 and 4,475.08

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Solution

The fourth proportional to 6,262.76, 8,643.78 and 4,475.08 is: 6,176.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,262.76 : 8,643.78 = 4,475.08 : x
  2. Step 2: Convert to fraction form
    6,262.76/8,643.78 = 4,475.08/x
  3. Step 3: Cross multiply
    6,262.76x = 8,643.78 × 4,475.08
  4. Step 4: Simplify right side
    6,262.76x = 38,681,607.00
  5. Step 5: Solve for x
    x = 38,681,607.00/6,262.76
  6. Step 6: Final answer
    x = 6,176.45

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Half scale
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Double scale
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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.