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Finding the Fourth Proportional to 14,347.12, 19,799.92 and 8,059.52

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Solution

The fourth proportional to 14,347.12, 19,799.92 and 8,059.52 is: 11,122.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,347.12 : 19,799.92 = 8,059.52 : x
  2. Step 2: Convert to fraction form
    14,347.12/19,799.92 = 8,059.52/x
  3. Step 3: Cross multiply
    14,347.12x = 19,799.92 × 8,059.52
  4. Step 4: Simplify right side
    14,347.12x = 159,577,851.24
  5. Step 5: Solve for x
    x = 159,577,851.24/14,347.12
  6. Step 6: Final answer
    x = 11,122.64

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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.