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Finding the Fourth Proportional to 6,868.74, 9,475.47 and 4,627.74

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Solution

The fourth proportional to 6,868.74, 9,475.47 and 4,627.74 is: 6,384.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868.74 : 9,475.47 = 4,627.74 : x
  2. Step 2: Convert to fraction form
    6,868.74/9,475.47 = 4,627.74/x
  3. Step 3: Cross multiply
    6,868.74x = 9,475.47 × 4,627.74
  4. Step 4: Simplify right side
    6,868.74x = 43,850,011.54
  5. Step 5: Solve for x
    x = 43,850,011.54/6,868.74
  6. Step 6: Final answer
    x = 6,384.00

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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.