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Finding the Fourth Proportional to 58,572.99, 80,811.68 and 37,359.09

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Solution

The fourth proportional to 58,572.99, 80,811.68 and 37,359.09 is: 51,543.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,572.99 : 80,811.68 = 37,359.09 : x
  2. Step 2: Convert to fraction form
    58,572.99/80,811.68 = 37,359.09/x
  3. Step 3: Cross multiply
    58,572.99x = 80,811.68 × 37,359.09
  4. Step 4: Simplify right side
    58,572.99x = 3,019,050,639.38
  5. Step 5: Solve for x
    x = 3,019,050,639.38/58,572.99
  6. Step 6: Final answer
    x = 51,543.39

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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.