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Finding the Fourth Proportional to 15,973.89, 22,042.89 and 9,596.70

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Solution

The fourth proportional to 15,973.89, 22,042.89 and 9,596.70 is: 13,242.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,973.89 : 22,042.89 = 9,596.70 : x
  2. Step 2: Convert to fraction form
    15,973.89/22,042.89 = 9,596.70/x
  3. Step 3: Cross multiply
    15,973.89x = 22,042.89 × 9,596.70
  4. Step 4: Simplify right side
    15,973.89x = 211,539,002.46
  5. Step 5: Solve for x
    x = 211,539,002.46/15,973.89
  6. Step 6: Final answer
    x = 13,242.80

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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.