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Finding the Fourth Proportional to 25,602.31, 38,403.47 and 8,073.51

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Solution

The fourth proportional to 25,602.31, 38,403.47 and 8,073.51 is: 12,110.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,602.31 : 38,403.47 = 8,073.51 : x
  2. Step 2: Convert to fraction form
    25,602.31/38,403.47 = 8,073.51/x
  3. Step 3: Cross multiply
    25,602.31x = 38,403.47 × 8,073.51
  4. Step 4: Simplify right side
    25,602.31x = 310,050,799.08
  5. Step 5: Solve for x
    x = 310,050,799.08/25,602.31
  6. Step 6: Final answer
    x = 12,110.27

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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.