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Finding the Fourth Proportional to 12,360.71, 17,057.74 and 6,695.45

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Solution

The fourth proportional to 12,360.71, 17,057.74 and 6,695.45 is: 9,239.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.71 : 17,057.74 = 6,695.45 : x
  2. Step 2: Convert to fraction form
    12,360.71/17,057.74 = 6,695.45/x
  3. Step 3: Cross multiply
    12,360.71x = 17,057.74 × 6,695.45
  4. Step 4: Simplify right side
    12,360.71x = 114,209,245.28
  5. Step 5: Solve for x
    x = 114,209,245.28/12,360.71
  6. Step 6: Final answer
    x = 9,239.70

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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.