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Finding the Fourth Proportional to 58,524.76, 80,763.56 and 31,666.68

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Solution

The fourth proportional to 58,524.76, 80,763.56 and 31,666.68 is: 43,699.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,524.76 : 80,763.56 = 31,666.68 : x
  2. Step 2: Convert to fraction form
    58,524.76/80,763.56 = 31,666.68/x
  3. Step 3: Cross multiply
    58,524.76x = 80,763.56 × 31,666.68
  4. Step 4: Simplify right side
    58,524.76x = 2,557,513,485.53
  5. Step 5: Solve for x
    x = 2,557,513,485.53/58,524.76
  6. Step 6: Final answer
    x = 43,699.68

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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.