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Finding the Fourth Proportional to 8,980.34, 12,398.01 and 6,001.22

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Solution

The fourth proportional to 8,980.34, 12,398.01 and 6,001.22 is: 8,285.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.34 : 12,398.01 = 6,001.22 : x
  2. Step 2: Convert to fraction form
    8,980.34/12,398.01 = 6,001.22/x
  3. Step 3: Cross multiply
    8,980.34x = 12,398.01 × 6,001.22
  4. Step 4: Simplify right side
    8,980.34x = 74,403,185.57
  5. Step 5: Solve for x
    x = 74,403,185.57/8,980.34
  6. Step 6: Final answer
    x = 8,285.12

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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.