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Finding the Fourth Proportional to 64,007.76, 95,802.51 and 57,869.18

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Solution

The fourth proportional to 64,007.76, 95,802.51 and 57,869.18 is: 86,614.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,007.76 : 95,802.51 = 57,869.18 : x
  2. Step 2: Convert to fraction form
    64,007.76/95,802.51 = 57,869.18/x
  3. Step 3: Cross multiply
    64,007.76x = 95,802.51 × 57,869.18
  4. Step 4: Simplify right side
    64,007.76x = 5,544,012,695.64
  5. Step 5: Solve for x
    x = 5,544,012,695.64/64,007.76
  6. Step 6: Final answer
    x = 86,614.70

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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.