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Finding the Fourth Proportional to 10,101.68, 15,153.72 and 3,530.16

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Solution

The fourth proportional to 10,101.68, 15,153.72 and 3,530.16 is: 5,295.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,101.68 : 15,153.72 = 3,530.16 : x
  2. Step 2: Convert to fraction form
    10,101.68/15,153.72 = 3,530.16/x
  3. Step 3: Cross multiply
    10,101.68x = 15,153.72 × 3,530.16
  4. Step 4: Simplify right side
    10,101.68x = 53,495,056.20
  5. Step 5: Solve for x
    x = 53,495,056.20/10,101.68
  6. Step 6: Final answer
    x = 5,295.66

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.