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Finding the Fourth Proportional to 58,162.98, 80,244.48 and 38,031.65

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Solution

The fourth proportional to 58,162.98, 80,244.48 and 38,031.65 is: 52,470.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,162.98 : 80,244.48 = 38,031.65 : x
  2. Step 2: Convert to fraction form
    58,162.98/80,244.48 = 38,031.65/x
  3. Step 3: Cross multiply
    58,162.98x = 80,244.48 × 38,031.65
  4. Step 4: Simplify right side
    58,162.98x = 3,051,829,917.06
  5. Step 5: Solve for x
    x = 3,051,829,917.06/58,162.98
  6. Step 6: Final answer
    x = 52,470.31

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Double scale
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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.