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Finding the Fourth Proportional to 8,948.07, 12,348.32 and 4,969.17

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Solution

The fourth proportional to 8,948.07, 12,348.32 and 4,969.17 is: 6,857.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.07 : 12,348.32 = 4,969.17 : x
  2. Step 2: Convert to fraction form
    8,948.07/12,348.32 = 4,969.17/x
  3. Step 3: Cross multiply
    8,948.07x = 12,348.32 × 4,969.17
  4. Step 4: Simplify right side
    8,948.07x = 61,360,876.45
  5. Step 5: Solve for x
    x = 61,360,876.45/8,948.07
  6. Step 6: Final answer
    x = 6,857.44

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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.