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Finding the Fourth Proportional to 56,509.60, 77,961.72 and 32,627.56

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Solution

The fourth proportional to 56,509.60, 77,961.72 and 32,627.56 is: 45,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,509.60 : 77,961.72 = 32,627.56 : x
  2. Step 2: Convert to fraction form
    56,509.60/77,961.72 = 32,627.56/x
  3. Step 3: Cross multiply
    56,509.60x = 77,961.72 × 32,627.56
  4. Step 4: Simplify right side
    56,509.60x = 2,543,700,697.00
  5. Step 5: Solve for x
    x = 2,543,700,697.00/56,509.60
  6. Step 6: Final answer
    x = 45,013.60

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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.