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Finding the Fourth Proportional to 56,289.60, 84,420.90 and 32,545.80

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Solution

The fourth proportional to 56,289.60, 84,420.90 and 32,545.80 is: 48,810.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,289.60 : 84,420.90 = 32,545.80 : x
  2. Step 2: Convert to fraction form
    56,289.60/84,420.90 = 32,545.80/x
  3. Step 3: Cross multiply
    56,289.60x = 84,420.90 × 32,545.80
  4. Step 4: Simplify right side
    56,289.60x = 2,747,545,727.22
  5. Step 5: Solve for x
    x = 2,747,545,727.22/56,289.60
  6. Step 6: Final answer
    x = 48,810.89

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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.