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Finding the Fourth Proportional to 64,397.71, 88,869.57 and 35,717.94

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Solution

The fourth proportional to 64,397.71, 88,869.57 and 35,717.94 is: 49,291.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,397.71 : 88,869.57 = 35,717.94 : x
  2. Step 2: Convert to fraction form
    64,397.71/88,869.57 = 35,717.94/x
  3. Step 3: Cross multiply
    64,397.71x = 88,869.57 × 35,717.94
  4. Step 4: Simplify right side
    64,397.71x = 3,174,237,969.09
  5. Step 5: Solve for x
    x = 3,174,237,969.09/64,397.71
  6. Step 6: Final answer
    x = 49,291.16

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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.