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Finding the Fourth Proportional to 58,233.80, 87,350.70 and 57,715.40

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Solution

The fourth proportional to 58,233.80, 87,350.70 and 57,715.40 is: 86,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,233.80 : 87,350.70 = 57,715.40 : x
  2. Step 2: Convert to fraction form
    58,233.80/87,350.70 = 57,715.40/x
  3. Step 3: Cross multiply
    58,233.80x = 87,350.70 × 57,715.40
  4. Step 4: Simplify right side
    58,233.80x = 5,041,480,590.78
  5. Step 5: Solve for x
    x = 5,041,480,590.78/58,233.80
  6. Step 6: Final answer
    x = 86,573.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.