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Finding the Fourth Proportional to 58,938.93, 81,337.50 and 36,290.99

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Solution

The fourth proportional to 58,938.93, 81,337.50 and 36,290.99 is: 50,082.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,938.93 : 81,337.50 = 36,290.99 : x
  2. Step 2: Convert to fraction form
    58,938.93/81,337.50 = 36,290.99/x
  3. Step 3: Cross multiply
    58,938.93x = 81,337.50 × 36,290.99
  4. Step 4: Simplify right side
    58,938.93x = 2,951,818,602.47
  5. Step 5: Solve for x
    x = 2,951,818,602.47/58,938.93
  6. Step 6: Final answer
    x = 50,082.66

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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.