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Finding the Fourth Proportional to 5,689.07, 7,847.07 and 4,941.74

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Solution

The fourth proportional to 5,689.07, 7,847.07 and 4,941.74 is: 6,816.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,689.07 : 7,847.07 = 4,941.74 : x
  2. Step 2: Convert to fraction form
    5,689.07/7,847.07 = 4,941.74/x
  3. Step 3: Cross multiply
    5,689.07x = 7,847.07 × 4,941.74
  4. Step 4: Simplify right side
    5,689.07x = 38,778,140.47
  5. Step 5: Solve for x
    x = 38,778,140.47/5,689.07
  6. Step 6: Final answer
    x = 6,816.26

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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.