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Finding the Fourth Proportional to 58,657.91, 80,926.70 and 38,525.69

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Solution

The fourth proportional to 58,657.91, 80,926.70 and 38,525.69 is: 53,151.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,657.91 : 80,926.70 = 38,525.69 : x
  2. Step 2: Convert to fraction form
    58,657.91/80,926.70 = 38,525.69/x
  3. Step 3: Cross multiply
    58,657.91x = 80,926.70 × 38,525.69
  4. Step 4: Simplify right side
    58,657.91x = 3,117,756,966.61
  5. Step 5: Solve for x
    x = 3,117,756,966.61/58,657.91
  6. Step 6: Final answer
    x = 53,151.52

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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.