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Finding the Fourth Proportional to 61,454.34, 84,787.29 and 36,298.98

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Solution

The fourth proportional to 61,454.34, 84,787.29 and 36,298.98 is: 50,080.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,454.34 : 84,787.29 = 36,298.98 : x
  2. Step 2: Convert to fraction form
    61,454.34/84,787.29 = 36,298.98/x
  3. Step 3: Cross multiply
    61,454.34x = 84,787.29 × 36,298.98
  4. Step 4: Simplify right side
    61,454.34x = 3,077,692,143.96
  5. Step 5: Solve for x
    x = 3,077,692,143.96/61,454.34
  6. Step 6: Final answer
    x = 50,080.96

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1.5x scale

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.