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Finding the Fourth Proportional to 8,248.60, 12,364.80 and 7,373.80

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Solution

The fourth proportional to 8,248.60, 12,364.80 and 7,373.80 is: 11,053.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248.60 : 12,364.80 = 7,373.80 : x
  2. Step 2: Convert to fraction form
    8,248.60/12,364.80 = 7,373.80/x
  3. Step 3: Cross multiply
    8,248.60x = 12,364.80 × 7,373.80
  4. Step 4: Simplify right side
    8,248.60x = 91,175,562.24
  5. Step 5: Solve for x
    x = 91,175,562.24/8,248.60
  6. Step 6: Final answer
    x = 11,053.46

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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.