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Finding the Fourth Proportional to 70,277.49, 105,398.64 and 27,591.57

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Solution

The fourth proportional to 70,277.49, 105,398.64 and 27,591.57 is: 41,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,277.49 : 105,398.64 = 27,591.57 : x
  2. Step 2: Convert to fraction form
    70,277.49/105,398.64 = 27,591.57/x
  3. Step 3: Cross multiply
    70,277.49x = 105,398.64 × 27,591.57
  4. Step 4: Simplify right side
    70,277.49x = 2,908,113,953.46
  5. Step 5: Solve for x
    x = 2,908,113,953.46/70,277.49
  6. Step 6: Final answer
    x = 41,380.45

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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.