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Finding the Fourth Proportional to 28,077.93, 42,079.64 and 14,901.93

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Solution

The fourth proportional to 28,077.93, 42,079.64 and 14,901.93 is: 22,333.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,077.93 : 42,079.64 = 14,901.93 : x
  2. Step 2: Convert to fraction form
    28,077.93/42,079.64 = 14,901.93/x
  3. Step 3: Cross multiply
    28,077.93x = 42,079.64 × 14,901.93
  4. Step 4: Simplify right side
    28,077.93x = 627,067,775.20
  5. Step 5: Solve for x
    x = 627,067,775.20/28,077.93
  6. Step 6: Final answer
    x = 22,333.12

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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.