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Finding the Fourth Proportional to 58,472.65, 87,703.47 and 16,356.49

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Solution

The fourth proportional to 58,472.65, 87,703.47 and 16,356.49 is: 24,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,472.65 : 87,703.47 = 16,356.49 : x
  2. Step 2: Convert to fraction form
    58,472.65/87,703.47 = 16,356.49/x
  3. Step 3: Cross multiply
    58,472.65x = 87,703.47 × 16,356.49
  4. Step 4: Simplify right side
    58,472.65x = 1,434,520,930.02
  5. Step 5: Solve for x
    x = 1,434,520,930.02/58,472.65
  6. Step 6: Final answer
    x = 24,533.20

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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.