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Finding the Fourth Proportional to 52,759.01, 72,807.86 and 28,885.88

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Solution

The fourth proportional to 52,759.01, 72,807.86 and 28,885.88 is: 39,862.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,759.01 : 72,807.86 = 28,885.88 : x
  2. Step 2: Convert to fraction form
    52,759.01/72,807.86 = 28,885.88/x
  3. Step 3: Cross multiply
    52,759.01x = 72,807.86 × 28,885.88
  4. Step 4: Simplify right side
    52,759.01x = 2,103,119,361.25
  5. Step 5: Solve for x
    x = 2,103,119,361.25/52,759.01
  6. Step 6: Final answer
    x = 39,862.75

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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.