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Finding the Fourth Proportional to 40,901.40, 61,409.70 and 25,349.40

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Solution

The fourth proportional to 40,901.40, 61,409.70 and 25,349.40 is: 38,059.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,901.40 : 61,409.70 = 25,349.40 : x
  2. Step 2: Convert to fraction form
    40,901.40/61,409.70 = 25,349.40/x
  3. Step 3: Cross multiply
    40,901.40x = 61,409.70 × 25,349.40
  4. Step 4: Simplify right side
    40,901.40x = 1,556,699,049.18
  5. Step 5: Solve for x
    x = 1,556,699,049.18/40,901.40
  6. Step 6: Final answer
    x = 38,059.80

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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.