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Finding the Fourth Proportional to 58,903.85, 87,689.57 and 58,553.55

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Solution

The fourth proportional to 58,903.85, 87,689.57 and 58,553.55 is: 87,168.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,903.85 : 87,689.57 = 58,553.55 : x
  2. Step 2: Convert to fraction form
    58,903.85/87,689.57 = 58,553.55/x
  3. Step 3: Cross multiply
    58,903.85x = 87,689.57 × 58,553.55
  4. Step 4: Simplify right side
    58,903.85x = 5,134,535,328.71
  5. Step 5: Solve for x
    x = 5,134,535,328.71/58,903.85
  6. Step 6: Final answer
    x = 87,168.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.