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Finding the Fourth Proportional to 8,881.82, 12,256.04 and 5,053.36

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Solution

The fourth proportional to 8,881.82, 12,256.04 and 5,053.36 is: 6,973.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.82 : 12,256.04 = 5,053.36 : x
  2. Step 2: Convert to fraction form
    8,881.82/12,256.04 = 5,053.36/x
  3. Step 3: Cross multiply
    8,881.82x = 12,256.04 × 5,053.36
  4. Step 4: Simplify right side
    8,881.82x = 61,934,182.29
  5. Step 5: Solve for x
    x = 61,934,182.29/8,881.82
  6. Step 6: Final answer
    x = 6,973.14

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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.