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Finding the Fourth Proportional to 25,602.11, 38,409.63 and 7,134.11

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Solution

The fourth proportional to 25,602.11, 38,409.63 and 7,134.11 is: 10,702.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,602.11 : 38,409.63 = 7,134.11 : x
  2. Step 2: Convert to fraction form
    25,602.11/38,409.63 = 7,134.11/x
  3. Step 3: Cross multiply
    25,602.11x = 38,409.63 × 7,134.11
  4. Step 4: Simplify right side
    25,602.11x = 274,018,333.43
  5. Step 5: Solve for x
    x = 274,018,333.43/25,602.11
  6. Step 6: Final answer
    x = 10,702.96

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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.