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Finding the Fourth Proportional to 28,374.52, 42,560.16 and 10,846.12

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Solution

The fourth proportional to 28,374.52, 42,560.16 and 10,846.12 is: 16,268.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,374.52 : 42,560.16 = 10,846.12 : x
  2. Step 2: Convert to fraction form
    28,374.52/42,560.16 = 10,846.12/x
  3. Step 3: Cross multiply
    28,374.52x = 42,560.16 × 10,846.12
  4. Step 4: Simplify right side
    28,374.52x = 461,612,602.58
  5. Step 5: Solve for x
    x = 461,612,602.58/28,374.52
  6. Step 6: Final answer
    x = 16,268.56

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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.