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Finding the Fourth Proportional to 58,423.78, 80,624.85 and 31,566.28

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Solution

The fourth proportional to 58,423.78, 80,624.85 and 31,566.28 is: 43,561.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,423.78 : 80,624.85 = 31,566.28 : x
  2. Step 2: Convert to fraction form
    58,423.78/80,624.85 = 31,566.28/x
  3. Step 3: Cross multiply
    58,423.78x = 80,624.85 × 31,566.28
  4. Step 4: Simplify right side
    58,423.78x = 2,545,026,590.06
  5. Step 5: Solve for x
    x = 2,545,026,590.06/58,423.78
  6. Step 6: Final answer
    x = 43,561.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.