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Finding the Fourth Proportional to 52,177.78, 72,004.78 and 28,304.25

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Solution

The fourth proportional to 52,177.78, 72,004.78 and 28,304.25 is: 39,059.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,177.78 : 72,004.78 = 28,304.25 : x
  2. Step 2: Convert to fraction form
    52,177.78/72,004.78 = 28,304.25/x
  3. Step 3: Cross multiply
    52,177.78x = 72,004.78 × 28,304.25
  4. Step 4: Simplify right side
    52,177.78x = 2,038,041,294.32
  5. Step 5: Solve for x
    x = 2,038,041,294.32/52,177.78
  6. Step 6: Final answer
    x = 39,059.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.