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Finding the Fourth Proportional to 35,374.80, 48,816.80 and 19,459.46

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Solution

The fourth proportional to 35,374.80, 48,816.80 and 19,459.46 is: 26,853.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,374.80 : 48,816.80 = 19,459.46 : x
  2. Step 2: Convert to fraction form
    35,374.80/48,816.80 = 19,459.46/x
  3. Step 3: Cross multiply
    35,374.80x = 48,816.80 × 19,459.46
  4. Step 4: Simplify right side
    35,374.80x = 949,948,566.93
  5. Step 5: Solve for x
    x = 949,948,566.93/35,374.80
  6. Step 6: Final answer
    x = 26,853.82

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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.