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Finding the Fourth Proportional to 25,572.30, 38,358.09 and 7,104.30

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Solution

The fourth proportional to 25,572.30, 38,358.09 and 7,104.30 is: 10,656.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,572.30 : 38,358.09 = 7,104.30 : x
  2. Step 2: Convert to fraction form
    25,572.30/38,358.09 = 7,104.30/x
  3. Step 3: Cross multiply
    25,572.30x = 38,358.09 × 7,104.30
  4. Step 4: Simplify right side
    25,572.30x = 272,507,378.79
  5. Step 5: Solve for x
    x = 272,507,378.79/25,572.30
  6. Step 6: Final answer
    x = 10,656.35

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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.