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Finding the Fourth Proportional to 28,552.52, 42,818.14 and 9,827.32

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Solution

The fourth proportional to 28,552.52, 42,818.14 and 9,827.32 is: 14,737.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,552.52 : 42,818.14 = 9,827.32 : x
  2. Step 2: Convert to fraction form
    28,552.52/42,818.14 = 9,827.32/x
  3. Step 3: Cross multiply
    28,552.52x = 42,818.14 × 9,827.32
  4. Step 4: Simplify right side
    28,552.52x = 420,787,563.58
  5. Step 5: Solve for x
    x = 420,787,563.58/28,552.52
  6. Step 6: Final answer
    x = 14,737.32

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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.