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Finding the Fourth Proportional to 25,966.47, 38,954.93 and 9,327.86

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Solution

The fourth proportional to 25,966.47, 38,954.93 and 9,327.86 is: 13,993.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,966.47 : 38,954.93 = 9,327.86 : x
  2. Step 2: Convert to fraction form
    25,966.47/38,954.93 = 9,327.86/x
  3. Step 3: Cross multiply
    25,966.47x = 38,954.93 × 9,327.86
  4. Step 4: Simplify right side
    25,966.47x = 363,366,038.02
  5. Step 5: Solve for x
    x = 363,366,038.02/25,966.47
  6. Step 6: Final answer
    x = 13,993.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.