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Finding the Fourth Proportional to 12,506.00, 17,259.08 and 7,200.70

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Solution

The fourth proportional to 12,506.00, 17,259.08 and 7,200.70 is: 9,937.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506.00 : 17,259.08 = 7,200.70 : x
  2. Step 2: Convert to fraction form
    12,506.00/17,259.08 = 7,200.70/x
  3. Step 3: Cross multiply
    12,506.00x = 17,259.08 × 7,200.70
  4. Step 4: Simplify right side
    12,506.00x = 124,277,378.20
  5. Step 5: Solve for x
    x = 124,277,378.20/12,506.00
  6. Step 6: Final answer
    x = 9,937.42

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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.