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Finding the Fourth Proportional to 58,861.49, 88,347.71 and 21,457.71

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Solution

The fourth proportional to 58,861.49, 88,347.71 and 21,457.71 is: 32,206.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,861.49 : 88,347.71 = 21,457.71 : x
  2. Step 2: Convert to fraction form
    58,861.49/88,347.71 = 21,457.71/x
  3. Step 3: Cross multiply
    58,861.49x = 88,347.71 × 21,457.71
  4. Step 4: Simplify right side
    58,861.49x = 1,895,739,593.99
  5. Step 5: Solve for x
    x = 1,895,739,593.99/58,861.49
  6. Step 6: Final answer
    x = 32,206.79

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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.