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Finding the Fourth Proportional to 52,553.68, 72,525.83 and 28,681.65

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Solution

The fourth proportional to 52,553.68, 72,525.83 and 28,681.65 is: 39,581.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,553.68 : 72,525.83 = 28,681.65 : x
  2. Step 2: Convert to fraction form
    52,553.68/72,525.83 = 28,681.65/x
  3. Step 3: Cross multiply
    52,553.68x = 72,525.83 × 28,681.65
  4. Step 4: Simplify right side
    52,553.68x = 2,080,160,328.61
  5. Step 5: Solve for x
    x = 2,080,160,328.61/52,553.68
  6. Step 6: Final answer
    x = 39,581.63

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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.