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Finding the Fourth Proportional to 4,368.97, 6,554.49 and 1,904.23

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Solution

The fourth proportional to 4,368.97, 6,554.49 and 1,904.23 is: 2,856.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,368.97 : 6,554.49 = 1,904.23 : x
  2. Step 2: Convert to fraction form
    4,368.97/6,554.49 = 1,904.23/x
  3. Step 3: Cross multiply
    4,368.97x = 6,554.49 × 1,904.23
  4. Step 4: Simplify right side
    4,368.97x = 12,481,256.49
  5. Step 5: Solve for x
    x = 12,481,256.49/4,368.97
  6. Step 6: Final answer
    x = 2,856.80

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.