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Finding the Fourth Proportional to 60,505.80, 84,795.60 and 60,505.80

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Solution

The fourth proportional to 60,505.80, 84,795.60 and 60,505.80 is: 84,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,505.80 : 84,795.60 = 60,505.80 : x
  2. Step 2: Convert to fraction form
    60,505.80/84,795.60 = 60,505.80/x
  3. Step 3: Cross multiply
    60,505.80x = 84,795.60 × 60,505.80
  4. Step 4: Simplify right side
    60,505.80x = 5,130,625,614.48
  5. Step 5: Solve for x
    x = 5,130,625,614.48/60,505.80
  6. Step 6: Final answer
    x = 84,795.60

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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.