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Finding the Fourth Proportional to 8,948.22, 12,348.93 and 4,969.33

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Solution

The fourth proportional to 8,948.22, 12,348.93 and 4,969.33 is: 6,857.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.22 : 12,348.93 = 4,969.33 : x
  2. Step 2: Convert to fraction form
    8,948.22/12,348.93 = 4,969.33/x
  3. Step 3: Cross multiply
    8,948.22x = 12,348.93 × 4,969.33
  4. Step 4: Simplify right side
    8,948.22x = 61,365,908.32
  5. Step 5: Solve for x
    x = 61,365,908.32/8,948.22
  6. Step 6: Final answer
    x = 6,857.89

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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.