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Finding the Fourth Proportional to 51,049.08, 70,454.06 and 28,693.08

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Solution

The fourth proportional to 51,049.08, 70,454.06 and 28,693.08 is: 39,600.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,049.08 : 70,454.06 = 28,693.08 : x
  2. Step 2: Convert to fraction form
    51,049.08/70,454.06 = 28,693.08/x
  3. Step 3: Cross multiply
    51,049.08x = 70,454.06 × 28,693.08
  4. Step 4: Simplify right side
    51,049.08x = 2,021,543,979.90
  5. Step 5: Solve for x
    x = 2,021,543,979.90/51,049.08
  6. Step 6: Final answer
    x = 39,600.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.