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Finding the Fourth Proportional to 12,541.64, 17,307.20 and 6,952.64

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Solution

The fourth proportional to 12,541.64, 17,307.20 and 6,952.64 is: 9,594.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,541.64 : 17,307.20 = 6,952.64 : x
  2. Step 2: Convert to fraction form
    12,541.64/17,307.20 = 6,952.64/x
  3. Step 3: Cross multiply
    12,541.64x = 17,307.20 × 6,952.64
  4. Step 4: Simplify right side
    12,541.64x = 120,330,661.85
  5. Step 5: Solve for x
    x = 120,330,661.85/12,541.64
  6. Step 6: Final answer
    x = 9,594.50

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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.