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Finding the Fourth Proportional to 8,747.60, 12,056.04 and 7,503.44

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Solution

The fourth proportional to 8,747.60, 12,056.04 and 7,503.44 is: 10,341.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.60 : 12,056.04 = 7,503.44 : x
  2. Step 2: Convert to fraction form
    8,747.60/12,056.04 = 7,503.44/x
  3. Step 3: Cross multiply
    8,747.60x = 12,056.04 × 7,503.44
  4. Step 4: Simplify right side
    8,747.60x = 90,461,772.78
  5. Step 5: Solve for x
    x = 90,461,772.78/8,747.60
  6. Step 6: Final answer
    x = 10,341.32

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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.