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Finding the Fourth Proportional to 15,339.97, 23,009.97 and 4,666.42

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Solution

The fourth proportional to 15,339.97, 23,009.97 and 4,666.42 is: 6,999.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,339.97 : 23,009.97 = 4,666.42 : x
  2. Step 2: Convert to fraction form
    15,339.97/23,009.97 = 4,666.42/x
  3. Step 3: Cross multiply
    15,339.97x = 23,009.97 × 4,666.42
  4. Step 4: Simplify right side
    15,339.97x = 107,374,069.16
  5. Step 5: Solve for x
    x = 107,374,069.16/15,339.97
  6. Step 6: Final answer
    x = 6,999.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.