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Finding the Fourth Proportional to 43,998.65, 60,702.24 and 28,899.51

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Solution

The fourth proportional to 43,998.65, 60,702.24 and 28,899.51 is: 39,870.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,998.65 : 60,702.24 = 28,899.51 : x
  2. Step 2: Convert to fraction form
    43,998.65/60,702.24 = 28,899.51/x
  3. Step 3: Cross multiply
    43,998.65x = 60,702.24 × 28,899.51
  4. Step 4: Simplify right side
    43,998.65x = 1,754,264,991.90
  5. Step 5: Solve for x
    x = 1,754,264,991.90/43,998.65
  6. Step 6: Final answer
    x = 39,870.88

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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.