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Finding the Fourth Proportional to 25,602.93, 38,393.11 and 12,944.89

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Solution

The fourth proportional to 25,602.93, 38,393.11 and 12,944.89 is: 19,411.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,602.93 : 38,393.11 = 12,944.89 : x
  2. Step 2: Convert to fraction form
    25,602.93/38,393.11 = 12,944.89/x
  3. Step 3: Cross multiply
    25,602.93x = 38,393.11 × 12,944.89
  4. Step 4: Simplify right side
    25,602.93x = 496,994,585.71
  5. Step 5: Solve for x
    x = 496,994,585.71/25,602.93
  6. Step 6: Final answer
    x = 19,411.63

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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.