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Finding the Fourth Proportional to 74,700.60, 112,070.70 and 32,562.60

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Solution

The fourth proportional to 74,700.60, 112,070.70 and 32,562.60 is: 48,852.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,700.60 : 112,070.70 = 32,562.60 : x
  2. Step 2: Convert to fraction form
    74,700.60/112,070.70 = 32,562.60/x
  3. Step 3: Cross multiply
    74,700.60x = 112,070.70 × 32,562.60
  4. Step 4: Simplify right side
    74,700.60x = 3,649,313,375.82
  5. Step 5: Solve for x
    x = 3,649,313,375.82/74,700.60
  6. Step 6: Final answer
    x = 48,852.53

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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.