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Finding the Fourth Proportional to 70,758.84, 97,641.28 and 41,682.60

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Solution

The fourth proportional to 70,758.84, 97,641.28 and 41,682.60 is: 57,518.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,758.84 : 97,641.28 = 41,682.60 : x
  2. Step 2: Convert to fraction form
    70,758.84/97,641.28 = 41,682.60/x
  3. Step 3: Cross multiply
    70,758.84x = 97,641.28 × 41,682.60
  4. Step 4: Simplify right side
    70,758.84x = 4,069,942,417.73
  5. Step 5: Solve for x
    x = 4,069,942,417.73/70,758.84
  6. Step 6: Final answer
    x = 57,518.50

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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.