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Finding the Fourth Proportional to 28,891.70, 43,337.55 and 14,110.10

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Solution

The fourth proportional to 28,891.70, 43,337.55 and 14,110.10 is: 21,165.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,891.70 : 43,337.55 = 14,110.10 : x
  2. Step 2: Convert to fraction form
    28,891.70/43,337.55 = 14,110.10/x
  3. Step 3: Cross multiply
    28,891.70x = 43,337.55 × 14,110.10
  4. Step 4: Simplify right side
    28,891.70x = 611,497,164.26
  5. Step 5: Solve for x
    x = 611,497,164.26/28,891.70
  6. Step 6: Final answer
    x = 21,165.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.