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Finding the Fourth Proportional to 37,250.64, 55,875.78 and 9,170.64

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Solution

The fourth proportional to 37,250.64, 55,875.78 and 9,170.64 is: 13,755.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,250.64 : 55,875.78 = 9,170.64 : x
  2. Step 2: Convert to fraction form
    37,250.64/55,875.78 = 9,170.64/x
  3. Step 3: Cross multiply
    37,250.64x = 55,875.78 × 9,170.64
  4. Step 4: Simplify right side
    37,250.64x = 512,416,663.10
  5. Step 5: Solve for x
    x = 512,416,663.10/37,250.64
  6. Step 6: Final answer
    x = 13,755.92

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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.