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Finding the Fourth Proportional to 25,602.15, 38,420.51 and 8,962.32

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Solution

The fourth proportional to 25,602.15, 38,420.51 and 8,962.32 is: 13,449.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,602.15 : 38,420.51 = 8,962.32 : x
  2. Step 2: Convert to fraction form
    25,602.15/38,420.51 = 8,962.32/x
  3. Step 3: Cross multiply
    25,602.15x = 38,420.51 × 8,962.32
  4. Step 4: Simplify right side
    25,602.15x = 344,336,905.18
  5. Step 5: Solve for x
    x = 344,336,905.18/25,602.15
  6. Step 6: Final answer
    x = 13,449.53

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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.