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Finding the Fourth Proportional to 64,197.71, 96,330.15 and 26,275.13

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Solution

The fourth proportional to 64,197.71, 96,330.15 and 26,275.13 is: 39,426.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,197.71 : 96,330.15 = 26,275.13 : x
  2. Step 2: Convert to fraction form
    64,197.71/96,330.15 = 26,275.13/x
  3. Step 3: Cross multiply
    64,197.71x = 96,330.15 × 26,275.13
  4. Step 4: Simplify right side
    64,197.71x = 2,531,087,709.51
  5. Step 5: Solve for x
    x = 2,531,087,709.51/64,197.71
  6. Step 6: Final answer
    x = 39,426.45

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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.