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Finding the Fourth Proportional to 7,934.06, 10,948.02 and 4,397.06

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Solution

The fourth proportional to 7,934.06, 10,948.02 and 4,397.06 is: 6,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.06 : 10,948.02 = 4,397.06 : x
  2. Step 2: Convert to fraction form
    7,934.06/10,948.02 = 4,397.06/x
  3. Step 3: Cross multiply
    7,934.06x = 10,948.02 × 4,397.06
  4. Step 4: Simplify right side
    7,934.06x = 48,139,100.82
  5. Step 5: Solve for x
    x = 48,139,100.82/7,934.06
  6. Step 6: Final answer
    x = 6,067.40

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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.