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Finding the Fourth Proportional to 61,188.63, 84,439.35 and 33,964.70

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Solution

The fourth proportional to 61,188.63, 84,439.35 and 33,964.70 is: 46,870.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,188.63 : 84,439.35 = 33,964.70 : x
  2. Step 2: Convert to fraction form
    61,188.63/84,439.35 = 33,964.70/x
  3. Step 3: Cross multiply
    61,188.63x = 84,439.35 × 33,964.70
  4. Step 4: Simplify right side
    61,188.63x = 2,867,956,768.75
  5. Step 5: Solve for x
    x = 2,867,956,768.75/61,188.63
  6. Step 6: Final answer
    x = 46,870.75

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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.