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Finding the Fourth Proportional to 5,007.96, 7,469.63 and 4,718.87

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Solution

The fourth proportional to 5,007.96, 7,469.63 and 4,718.87 is: 7,038.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.96 : 7,469.63 = 4,718.87 : x
  2. Step 2: Convert to fraction form
    5,007.96/7,469.63 = 4,718.87/x
  3. Step 3: Cross multiply
    5,007.96x = 7,469.63 × 4,718.87
  4. Step 4: Simplify right side
    5,007.96x = 35,248,266.24
  5. Step 5: Solve for x
    x = 35,248,266.24/5,007.96
  6. Step 6: Final answer
    x = 7,038.45

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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.