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Finding the Fourth Proportional to 25,999.68, 35,883.12 and 14,671.68

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Solution

The fourth proportional to 25,999.68, 35,883.12 and 14,671.68 is: 20,248.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,999.68 : 35,883.12 = 14,671.68 : x
  2. Step 2: Convert to fraction form
    25,999.68/35,883.12 = 14,671.68/x
  3. Step 3: Cross multiply
    25,999.68x = 35,883.12 × 14,671.68
  4. Step 4: Simplify right side
    25,999.68x = 526,465,654.04
  5. Step 5: Solve for x
    x = 526,465,654.04/25,999.68
  6. Step 6: Final answer
    x = 20,248.93

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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.