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Finding the Fourth Proportional to 26,071.60, 35,978.84 and 14,134.88

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Solution

The fourth proportional to 26,071.60, 35,978.84 and 14,134.88 is: 19,506.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,071.60 : 35,978.84 = 14,134.88 : x
  2. Step 2: Convert to fraction form
    26,071.60/35,978.84 = 14,134.88/x
  3. Step 3: Cross multiply
    26,071.60x = 35,978.84 × 14,134.88
  4. Step 4: Simplify right side
    26,071.60x = 508,556,585.94
  5. Step 5: Solve for x
    x = 508,556,585.94/26,071.60
  6. Step 6: Final answer
    x = 19,506.15

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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.