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Finding the Fourth Proportional to 8,488.97, 11,714.15 and 4,904.08

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Solution

The fourth proportional to 8,488.97, 11,714.15 and 4,904.08 is: 6,767.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,488.97 : 11,714.15 = 4,904.08 : x
  2. Step 2: Convert to fraction form
    8,488.97/11,714.15 = 4,904.08/x
  3. Step 3: Cross multiply
    8,488.97x = 11,714.15 × 4,904.08
  4. Step 4: Simplify right side
    8,488.97x = 57,447,111.71
  5. Step 5: Solve for x
    x = 57,447,111.71/8,488.97
  6. Step 6: Final answer
    x = 6,767.27

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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.