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Finding the Fourth Proportional to 12,560.04, 17,332.88 and 6,971.04

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Solution

The fourth proportional to 12,560.04, 17,332.88 and 6,971.04 is: 9,620.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,560.04 : 17,332.88 = 6,971.04 : x
  2. Step 2: Convert to fraction form
    12,560.04/17,332.88 = 6,971.04/x
  3. Step 3: Cross multiply
    12,560.04x = 17,332.88 × 6,971.04
  4. Step 4: Simplify right side
    12,560.04x = 120,828,164.94
  5. Step 5: Solve for x
    x = 120,828,164.94/12,560.04
  6. Step 6: Final answer
    x = 9,620.05

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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.