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Finding the Fourth Proportional to 40,902.90, 61,245 and 23,348.58

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Solution

The fourth proportional to 40,902.90, 61,245 and 23,348.58 is: 34,960.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,902.90 : 61,245 = 23,348.58 : x
  2. Step 2: Convert to fraction form
    40,902.90/61,245 = 23,348.58/x
  3. Step 3: Cross multiply
    40,902.90x = 61,245 × 23,348.58
  4. Step 4: Simplify right side
    40,902.90x = 1,429,983,782.10
  5. Step 5: Solve for x
    x = 1,429,983,782.10/40,902.90
  6. Step 6: Final answer
    x = 34,960.45

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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.