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Finding the Fourth Proportional to 28,841.25, 43,264.05 and 16,356.45

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Solution

The fourth proportional to 28,841.25, 43,264.05 and 16,356.45 is: 24,535.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,841.25 : 43,264.05 = 16,356.45 : x
  2. Step 2: Convert to fraction form
    28,841.25/43,264.05 = 16,356.45/x
  3. Step 3: Cross multiply
    28,841.25x = 43,264.05 × 16,356.45
  4. Step 4: Simplify right side
    28,841.25x = 707,646,270.62
  5. Step 5: Solve for x
    x = 707,646,270.62/28,841.25
  6. Step 6: Final answer
    x = 24,535.91

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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.