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Finding the Fourth Proportional to 10,703.88, 14,772.24 and 5,988.60

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Solution

The fourth proportional to 10,703.88, 14,772.24 and 5,988.60 is: 8,264.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,703.88 : 14,772.24 = 5,988.60 : x
  2. Step 2: Convert to fraction form
    10,703.88/14,772.24 = 5,988.60/x
  3. Step 3: Cross multiply
    10,703.88x = 14,772.24 × 5,988.60
  4. Step 4: Simplify right side
    10,703.88x = 88,465,036.46
  5. Step 5: Solve for x
    x = 88,465,036.46/10,703.88
  6. Step 6: Final answer
    x = 8,264.76

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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.