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Finding the Fourth Proportional to 5,064.40, 6,895.12 and 5,048.80

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Solution

The fourth proportional to 5,064.40, 6,895.12 and 5,048.80 is: 6,873.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,064.40 : 6,895.12 = 5,048.80 : x
  2. Step 2: Convert to fraction form
    5,064.40/6,895.12 = 5,048.80/x
  3. Step 3: Cross multiply
    5,064.40x = 6,895.12 × 5,048.80
  4. Step 4: Simplify right side
    5,064.40x = 34,812,081.86
  5. Step 5: Solve for x
    x = 34,812,081.86/5,064.40
  6. Step 6: Final answer
    x = 6,873.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.