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Finding the Fourth Proportional to 58,675.74, 80,987.04 and 38,559.93

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Solution

The fourth proportional to 58,675.74, 80,987.04 and 38,559.93 is: 53,222.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,675.74 : 80,987.04 = 38,559.93 : x
  2. Step 2: Convert to fraction form
    58,675.74/80,987.04 = 38,559.93/x
  3. Step 3: Cross multiply
    58,675.74x = 80,987.04 × 38,559.93
  4. Step 4: Simplify right side
    58,675.74x = 3,122,854,593.31
  5. Step 5: Solve for x
    x = 3,122,854,593.31/58,675.74
  6. Step 6: Final answer
    x = 53,222.24

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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.