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Finding the Fourth Proportional to 25,602.67, 38,407.65 and 8,070.63

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Solution

The fourth proportional to 25,602.67, 38,407.65 and 8,070.63 is: 12,107.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,602.67 : 38,407.65 = 8,070.63 : x
  2. Step 2: Convert to fraction form
    25,602.67/38,407.65 = 8,070.63/x
  3. Step 3: Cross multiply
    25,602.67x = 38,407.65 × 8,070.63
  4. Step 4: Simplify right side
    25,602.67x = 309,973,932.32
  5. Step 5: Solve for x
    x = 309,973,932.32/25,602.67
  6. Step 6: Final answer
    x = 12,107.09

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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.