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Finding the Fourth Proportional to 12,366.60, 17,071.82 and 7,060.40

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Solution

The fourth proportional to 12,366.60, 17,071.82 and 7,060.40 is: 9,746.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366.60 : 17,071.82 = 7,060.40 : x
  2. Step 2: Convert to fraction form
    12,366.60/17,071.82 = 7,060.40/x
  3. Step 3: Cross multiply
    12,366.60x = 17,071.82 × 7,060.40
  4. Step 4: Simplify right side
    12,366.60x = 120,533,757.27
  5. Step 5: Solve for x
    x = 120,533,757.27/12,366.60
  6. Step 6: Final answer
    x = 9,746.72

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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.