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Finding the Fourth Proportional to 64,530.17, 89,052.68 and 35,851.68

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Solution

The fourth proportional to 64,530.17, 89,052.68 and 35,851.68 is: 49,475.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,530.17 : 89,052.68 = 35,851.68 : x
  2. Step 2: Convert to fraction form
    64,530.17/89,052.68 = 35,851.68/x
  3. Step 3: Cross multiply
    64,530.17x = 89,052.68 × 35,851.68
  4. Step 4: Simplify right side
    64,530.17x = 3,192,688,276.13
  5. Step 5: Solve for x
    x = 3,192,688,276.13/64,530.17
  6. Step 6: Final answer
    x = 49,475.90

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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.