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Finding the Fourth Proportional to 58,366.68, 81,089.79 and 57,666.84

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Solution

The fourth proportional to 58,366.68, 81,089.79 and 57,666.84 is: 80,117.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,366.68 : 81,089.79 = 57,666.84 : x
  2. Step 2: Convert to fraction form
    58,366.68/81,089.79 = 57,666.84/x
  3. Step 3: Cross multiply
    58,366.68x = 81,089.79 × 57,666.84
  4. Step 4: Simplify right side
    58,366.68x = 4,676,191,945.56
  5. Step 5: Solve for x
    x = 4,676,191,945.56/58,366.68
  6. Step 6: Final answer
    x = 80,117.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.