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Finding the Fourth Proportional to 58,733.80, 88,082.70 and 19,281.80

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Solution

The fourth proportional to 58,733.80, 88,082.70 and 19,281.80 is: 28,916.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,733.80 : 88,082.70 = 19,281.80 : x
  2. Step 2: Convert to fraction form
    58,733.80/88,082.70 = 19,281.80/x
  3. Step 3: Cross multiply
    58,733.80x = 88,082.70 × 19,281.80
  4. Step 4: Simplify right side
    58,733.80x = 1,698,393,004.86
  5. Step 5: Solve for x
    x = 1,698,393,004.86/58,733.80
  6. Step 6: Final answer
    x = 28,916.79

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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.