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Finding the Fourth Proportional to 47,559.91, 71,341.00 and 15,970.99

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Solution

The fourth proportional to 47,559.91, 71,341.00 and 15,970.99 is: 23,956.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,559.91 : 71,341.00 = 15,970.99 : x
  2. Step 2: Convert to fraction form
    47,559.91/71,341.00 = 15,970.99/x
  3. Step 3: Cross multiply
    47,559.91x = 71,341.00 × 15,970.99
  4. Step 4: Simplify right side
    47,559.91x = 1,139,386,402.91
  5. Step 5: Solve for x
    x = 1,139,386,402.91/47,559.91
  6. Step 6: Final answer
    x = 23,956.87

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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.