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Finding the Fourth Proportional to 60,479.45, 90,720.42 and 22,009.63

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Solution

The fourth proportional to 60,479.45, 90,720.42 and 22,009.63 is: 33,014.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,479.45 : 90,720.42 = 22,009.63 : x
  2. Step 2: Convert to fraction form
    60,479.45/90,720.42 = 22,009.63/x
  3. Step 3: Cross multiply
    60,479.45x = 90,720.42 × 22,009.63
  4. Step 4: Simplify right side
    60,479.45x = 1,996,722,877.64
  5. Step 5: Solve for x
    x = 1,996,722,877.64/60,479.45
  6. Step 6: Final answer
    x = 33,014.90

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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.