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Finding the Fourth Proportional to 35,281.60, 48,689.16 and 19,367.50

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Solution

The fourth proportional to 35,281.60, 48,689.16 and 19,367.50 is: 26,727.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,281.60 : 48,689.16 = 19,367.50 : x
  2. Step 2: Convert to fraction form
    35,281.60/48,689.16 = 19,367.50/x
  3. Step 3: Cross multiply
    35,281.60x = 48,689.16 × 19,367.50
  4. Step 4: Simplify right side
    35,281.60x = 942,987,306.30
  5. Step 5: Solve for x
    x = 942,987,306.30/35,281.60
  6. Step 6: Final answer
    x = 26,727.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.