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Finding the Fourth Proportional to 5,013.74, 7,478.23 and 4,724.64

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Solution

The fourth proportional to 5,013.74, 7,478.23 and 4,724.64 is: 7,047.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.74 : 7,478.23 = 4,724.64 : x
  2. Step 2: Convert to fraction form
    5,013.74/7,478.23 = 4,724.64/x
  3. Step 3: Cross multiply
    5,013.74x = 7,478.23 × 4,724.64
  4. Step 4: Simplify right side
    5,013.74x = 35,331,944.59
  5. Step 5: Solve for x
    x = 35,331,944.59/5,013.74
  6. Step 6: Final answer
    x = 7,047.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.