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Finding the Fourth Proportional to 60,467.20, 84,723.20 and 60,467.20

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Solution

The fourth proportional to 60,467.20, 84,723.20 and 60,467.20 is: 84,723.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,467.20 : 84,723.20 = 60,467.20 : x
  2. Step 2: Convert to fraction form
    60,467.20/84,723.20 = 60,467.20/x
  3. Step 3: Cross multiply
    60,467.20x = 84,723.20 × 60,467.20
  4. Step 4: Simplify right side
    60,467.20x = 5,122,974,679.04
  5. Step 5: Solve for x
    x = 5,122,974,679.04/60,467.20
  6. Step 6: Final answer
    x = 84,723.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.