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Finding the Fourth Proportional to 10,846.71, 14,976.18 and 8,574.66

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Solution

The fourth proportional to 10,846.71, 14,976.18 and 8,574.66 is: 11,839.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,846.71 : 14,976.18 = 8,574.66 : x
  2. Step 2: Convert to fraction form
    10,846.71/14,976.18 = 8,574.66/x
  3. Step 3: Cross multiply
    10,846.71x = 14,976.18 × 8,574.66
  4. Step 4: Simplify right side
    10,846.71x = 128,415,651.60
  5. Step 5: Solve for x
    x = 128,415,651.60/10,846.71
  6. Step 6: Final answer
    x = 11,839.13

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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.