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Finding the Fourth Proportional to 25,754.42, 38,637.42 and 13,907.93

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Solution

The fourth proportional to 25,754.42, 38,637.42 and 13,907.93 is: 20,865.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,754.42 : 38,637.42 = 13,907.93 : x
  2. Step 2: Convert to fraction form
    25,754.42/38,637.42 = 13,907.93/x
  3. Step 3: Cross multiply
    25,754.42x = 38,637.42 × 13,907.93
  4. Step 4: Simplify right side
    25,754.42x = 537,366,532.74
  5. Step 5: Solve for x
    x = 537,366,532.74/25,754.42
  6. Step 6: Final answer
    x = 20,865.02

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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.