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Finding the Fourth Proportional to 55,505.68, 83,243.32 and 25,894.16

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Solution

The fourth proportional to 55,505.68, 83,243.32 and 25,894.16 is: 38,834.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,505.68 : 83,243.32 = 25,894.16 : x
  2. Step 2: Convert to fraction form
    55,505.68/83,243.32 = 25,894.16/x
  3. Step 3: Cross multiply
    55,505.68x = 83,243.32 × 25,894.16
  4. Step 4: Simplify right side
    55,505.68x = 2,155,515,847.01
  5. Step 5: Solve for x
    x = 2,155,515,847.01/55,505.68
  6. Step 6: Final answer
    x = 38,834.15

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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.