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Finding the Fourth Proportional to 25,544.88, 38,319.12 and 8,903.16

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Solution

The fourth proportional to 25,544.88, 38,319.12 and 8,903.16 is: 13,355.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,544.88 : 38,319.12 = 8,903.16 : x
  2. Step 2: Convert to fraction form
    25,544.88/38,319.12 = 8,903.16/x
  3. Step 3: Cross multiply
    25,544.88x = 38,319.12 × 8,903.16
  4. Step 4: Simplify right side
    25,544.88x = 341,161,256.42
  5. Step 5: Solve for x
    x = 341,161,256.42/25,544.88
  6. Step 6: Final answer
    x = 13,355.37

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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.