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Finding the Fourth Proportional to 25,967.08, 38,946.96 and 8,437.12

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Solution

The fourth proportional to 25,967.08, 38,946.96 and 8,437.12 is: 12,654.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,967.08 : 38,946.96 = 8,437.12 : x
  2. Step 2: Convert to fraction form
    25,967.08/38,946.96 = 8,437.12/x
  3. Step 3: Cross multiply
    25,967.08x = 38,946.96 × 8,437.12
  4. Step 4: Simplify right side
    25,967.08x = 328,600,175.16
  5. Step 5: Solve for x
    x = 328,600,175.16/25,967.08
  6. Step 6: Final answer
    x = 12,654.49

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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.