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Finding the Fourth Proportional to 25,520.69, 35,220.71 and 14,191.01

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Solution

The fourth proportional to 25,520.69, 35,220.71 and 14,191.01 is: 19,584.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,520.69 : 35,220.71 = 14,191.01 : x
  2. Step 2: Convert to fraction form
    25,520.69/35,220.71 = 14,191.01/x
  3. Step 3: Cross multiply
    25,520.69x = 35,220.71 × 14,191.01
  4. Step 4: Simplify right side
    25,520.69x = 499,817,376.86
  5. Step 5: Solve for x
    x = 499,817,376.86/25,520.69
  6. Step 6: Final answer
    x = 19,584.79

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Double scale
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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.