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Finding the Fourth Proportional to 64,929.71, 97,402.94 and 22,806.74

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Solution

The fourth proportional to 64,929.71, 97,402.94 and 22,806.74 is: 34,213.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,929.71 : 97,402.94 = 22,806.74 : x
  2. Step 2: Convert to fraction form
    64,929.71/97,402.94 = 22,806.74/x
  3. Step 3: Cross multiply
    64,929.71x = 97,402.94 × 22,806.74
  4. Step 4: Simplify right side
    64,929.71x = 2,221,443,527.82
  5. Step 5: Solve for x
    x = 2,221,443,527.82/64,929.71
  6. Step 6: Final answer
    x = 34,213.05

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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.