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Finding the Fourth Proportional to 12,562.49, 17,334.95 and 7,259.02

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Solution

The fourth proportional to 12,562.49, 17,334.95 and 7,259.02 is: 10,016.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562.49 : 17,334.95 = 7,259.02 : x
  2. Step 2: Convert to fraction form
    12,562.49/17,334.95 = 7,259.02/x
  3. Step 3: Cross multiply
    12,562.49x = 17,334.95 × 7,259.02
  4. Step 4: Simplify right side
    12,562.49x = 125,834,669.12
  5. Step 5: Solve for x
    x = 125,834,669.12/12,562.49
  6. Step 6: Final answer
    x = 10,016.70

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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.