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Finding the Fourth Proportional to 5,569.84, 8,348.28 and 5,245.84

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Solution

The fourth proportional to 5,569.84, 8,348.28 and 5,245.84 is: 7,862.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,569.84 : 8,348.28 = 5,245.84 : x
  2. Step 2: Convert to fraction form
    5,569.84/8,348.28 = 5,245.84/x
  3. Step 3: Cross multiply
    5,569.84x = 8,348.28 × 5,245.84
  4. Step 4: Simplify right side
    5,569.84x = 43,793,741.16
  5. Step 5: Solve for x
    x = 43,793,741.16/5,569.84
  6. Step 6: Final answer
    x = 7,862.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.