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Finding the Fourth Proportional to 7,492.60, 11,251.05 and 5,427.10

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Solution

The fourth proportional to 7,492.60, 11,251.05 and 5,427.10 is: 8,149.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,492.60 : 11,251.05 = 5,427.10 : x
  2. Step 2: Convert to fraction form
    7,492.60/11,251.05 = 5,427.10/x
  3. Step 3: Cross multiply
    7,492.60x = 11,251.05 × 5,427.10
  4. Step 4: Simplify right side
    7,492.60x = 61,060,573.46
  5. Step 5: Solve for x
    x = 61,060,573.46/7,492.60
  6. Step 6: Final answer
    x = 8,149.45

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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.