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Finding the Fourth Proportional to 64,545.86, 96,816.15 and 22,435.49

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Solution

The fourth proportional to 64,545.86, 96,816.15 and 22,435.49 is: 33,652.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,545.86 : 96,816.15 = 22,435.49 : x
  2. Step 2: Convert to fraction form
    64,545.86/96,816.15 = 22,435.49/x
  3. Step 3: Cross multiply
    64,545.86x = 96,816.15 × 22,435.49
  4. Step 4: Simplify right side
    64,545.86x = 2,172,117,281.08
  5. Step 5: Solve for x
    x = 2,172,117,281.08/64,545.86
  6. Step 6: Final answer
    x = 33,652.31

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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.