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Finding the Fourth Proportional to 67,550.40, 93,323.52 and 64,310.40

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Solution

The fourth proportional to 67,550.40, 93,323.52 and 64,310.40 is: 88,847.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,550.40 : 93,323.52 = 64,310.40 : x
  2. Step 2: Convert to fraction form
    67,550.40/93,323.52 = 64,310.40/x
  3. Step 3: Cross multiply
    67,550.40x = 93,323.52 × 64,310.40
  4. Step 4: Simplify right side
    67,550.40x = 6,001,672,900.61
  5. Step 5: Solve for x
    x = 6,001,672,900.61/67,550.40
  6. Step 6: Final answer
    x = 88,847.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.