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Finding the Fourth Proportional to 77,572.02, 107,049.30 and 44,038.02

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Solution

The fourth proportional to 77,572.02, 107,049.30 and 44,038.02 is: 60,772.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,572.02 : 107,049.30 = 44,038.02 : x
  2. Step 2: Convert to fraction form
    77,572.02/107,049.30 = 44,038.02/x
  3. Step 3: Cross multiply
    77,572.02x = 107,049.30 × 44,038.02
  4. Step 4: Simplify right side
    77,572.02x = 4,714,239,214.39
  5. Step 5: Solve for x
    x = 4,714,239,214.39/77,572.02
  6. Step 6: Final answer
    x = 60,772.42

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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.