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Finding the Fourth Proportional to 25,479.98, 35,161.70 and 14,149.11

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Solution

The fourth proportional to 25,479.98, 35,161.70 and 14,149.11 is: 19,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,479.98 : 35,161.70 = 14,149.11 : x
  2. Step 2: Convert to fraction form
    25,479.98/35,161.70 = 14,149.11/x
  3. Step 3: Cross multiply
    25,479.98x = 35,161.70 × 14,149.11
  4. Step 4: Simplify right side
    25,479.98x = 497,506,690.34
  5. Step 5: Solve for x
    x = 497,506,690.34/25,479.98
  6. Step 6: Final answer
    x = 19,525.40

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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.