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Finding the Fourth Proportional to 75,323.82, 112,848.03 and 35,269.32

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Solution

The fourth proportional to 75,323.82, 112,848.03 and 35,269.32 is: 52,839.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,323.82 : 112,848.03 = 35,269.32 : x
  2. Step 2: Convert to fraction form
    75,323.82/112,848.03 = 35,269.32/x
  3. Step 3: Cross multiply
    75,323.82x = 112,848.03 × 35,269.32
  4. Step 4: Simplify right side
    75,323.82x = 3,980,073,281.44
  5. Step 5: Solve for x
    x = 3,980,073,281.44/75,323.82
  6. Step 6: Final answer
    x = 52,839.50

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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.