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Finding the Fourth Proportional to 60,490.80, 84,774.60 and 60,490.80

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Solution

The fourth proportional to 60,490.80, 84,774.60 and 60,490.80 is: 84,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,490.80 : 84,774.60 = 60,490.80 : x
  2. Step 2: Convert to fraction form
    60,490.80/84,774.60 = 60,490.80/x
  3. Step 3: Cross multiply
    60,490.80x = 84,774.60 × 60,490.80
  4. Step 4: Simplify right side
    60,490.80x = 5,128,083,373.68
  5. Step 5: Solve for x
    x = 5,128,083,373.68/60,490.80
  6. Step 6: Final answer
    x = 84,774.60

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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.