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Finding the Fourth Proportional to 25,667.70, 38,501.55 and 22,751.70

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Solution

The fourth proportional to 25,667.70, 38,501.55 and 22,751.70 is: 34,127.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,667.70 : 38,501.55 = 22,751.70 : x
  2. Step 2: Convert to fraction form
    25,667.70/38,501.55 = 22,751.70/x
  3. Step 3: Cross multiply
    25,667.70x = 38,501.55 × 22,751.70
  4. Step 4: Simplify right side
    25,667.70x = 875,975,715.14
  5. Step 5: Solve for x
    x = 875,975,715.14/25,667.70
  6. Step 6: Final answer
    x = 34,127.55

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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.