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Finding the Fourth Proportional to 64,672.20, 97,008.30 and 60,006.60

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Solution

The fourth proportional to 64,672.20, 97,008.30 and 60,006.60 is: 90,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,672.20 : 97,008.30 = 60,006.60 : x
  2. Step 2: Convert to fraction form
    64,672.20/97,008.30 = 60,006.60/x
  3. Step 3: Cross multiply
    64,672.20x = 97,008.30 × 60,006.60
  4. Step 4: Simplify right side
    64,672.20x = 5,821,138,254.78
  5. Step 5: Solve for x
    x = 5,821,138,254.78/64,672.20
  6. Step 6: Final answer
    x = 90,009.90

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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.