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Finding the Fourth Proportional to 7,045.02, 9,711.74 and 5,363.49

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Solution

The fourth proportional to 7,045.02, 9,711.74 and 5,363.49 is: 7,393.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.02 : 9,711.74 = 5,363.49 : x
  2. Step 2: Convert to fraction form
    7,045.02/9,711.74 = 5,363.49/x
  3. Step 3: Cross multiply
    7,045.02x = 9,711.74 × 5,363.49
  4. Step 4: Simplify right side
    7,045.02x = 52,088,793.56
  5. Step 5: Solve for x
    x = 52,088,793.56/7,045.02
  6. Step 6: Final answer
    x = 7,393.70

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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.