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Finding the Fourth Proportional to 10,602.56, 15,903.84 and 3,677.12

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Solution

The fourth proportional to 10,602.56, 15,903.84 and 3,677.12 is: 5,515.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,602.56 : 15,903.84 = 3,677.12 : x
  2. Step 2: Convert to fraction form
    10,602.56/15,903.84 = 3,677.12/x
  3. Step 3: Cross multiply
    10,602.56x = 15,903.84 × 3,677.12
  4. Step 4: Simplify right side
    10,602.56x = 58,480,328.14
  5. Step 5: Solve for x
    x = 58,480,328.14/10,602.56
  6. Step 6: Final answer
    x = 5,515.68

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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.