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Finding the Fourth Proportional to 60,755.20, 84,860.45 and 60,755.20

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Solution

The fourth proportional to 60,755.20, 84,860.45 and 60,755.20 is: 84,860.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,755.20 : 84,860.45 = 60,755.20 : x
  2. Step 2: Convert to fraction form
    60,755.20/84,860.45 = 60,755.20/x
  3. Step 3: Cross multiply
    60,755.20x = 84,860.45 × 60,755.20
  4. Step 4: Simplify right side
    60,755.20x = 5,155,713,611.84
  5. Step 5: Solve for x
    x = 5,155,713,611.84/60,755.20
  6. Step 6: Final answer
    x = 84,860.45

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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.