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Finding the Fourth Proportional to 64,713.60, 88,722.32 and 63,532.56

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Solution

The fourth proportional to 64,713.60, 88,722.32 and 63,532.56 is: 87,103.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,713.60 : 88,722.32 = 63,532.56 : x
  2. Step 2: Convert to fraction form
    64,713.60/88,722.32 = 63,532.56/x
  3. Step 3: Cross multiply
    64,713.60x = 88,722.32 × 63,532.56
  4. Step 4: Simplify right side
    64,713.60x = 5,636,756,118.74
  5. Step 5: Solve for x
    x = 5,636,756,118.74/64,713.60
  6. Step 6: Final answer
    x = 87,103.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.