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Finding the Fourth Proportional to 12,929.03, 17,842.08 and 7,263.78

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Solution

The fourth proportional to 12,929.03, 17,842.08 and 7,263.78 is: 10,024.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929.03 : 17,842.08 = 7,263.78 : x
  2. Step 2: Convert to fraction form
    12,929.03/17,842.08 = 7,263.78/x
  3. Step 3: Cross multiply
    12,929.03x = 17,842.08 × 7,263.78
  4. Step 4: Simplify right side
    12,929.03x = 129,600,943.86
  5. Step 5: Solve for x
    x = 129,600,943.86/12,929.03
  6. Step 6: Final answer
    x = 10,024.02

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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.