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Finding the Fourth Proportional to 7,066.57, 9,746.48 and 5,177.47

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Solution

The fourth proportional to 7,066.57, 9,746.48 and 5,177.47 is: 7,140.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,066.57 : 9,746.48 = 5,177.47 : x
  2. Step 2: Convert to fraction form
    7,066.57/9,746.48 = 5,177.47/x
  3. Step 3: Cross multiply
    7,066.57x = 9,746.48 × 5,177.47
  4. Step 4: Simplify right side
    7,066.57x = 50,462,033.19
  5. Step 5: Solve for x
    x = 50,462,033.19/7,066.57
  6. Step 6: Final answer
    x = 7,140.96

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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.