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Finding the Fourth Proportional to 52,554.80, 72,525.88 and 28,681.97

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Solution

The fourth proportional to 52,554.80, 72,525.88 and 28,681.97 is: 39,581.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,554.80 : 72,525.88 = 28,681.97 : x
  2. Step 2: Convert to fraction form
    52,554.80/72,525.88 = 28,681.97/x
  3. Step 3: Cross multiply
    52,554.80x = 72,525.88 × 28,681.97
  4. Step 4: Simplify right side
    52,554.80x = 2,080,185,114.38
  5. Step 5: Solve for x
    x = 2,080,185,114.38/52,554.80
  6. Step 6: Final answer
    x = 39,581.26

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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.