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Finding the Fourth Proportional to 70,660.76, 97,510.13 and 40,444.16

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Solution

The fourth proportional to 70,660.76, 97,510.13 and 40,444.16 is: 55,811.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,660.76 : 97,510.13 = 40,444.16 : x
  2. Step 2: Convert to fraction form
    70,660.76/97,510.13 = 40,444.16/x
  3. Step 3: Cross multiply
    70,660.76x = 97,510.13 × 40,444.16
  4. Step 4: Simplify right side
    70,660.76x = 3,943,715,309.73
  5. Step 5: Solve for x
    x = 3,943,715,309.73/70,660.76
  6. Step 6: Final answer
    x = 55,811.96

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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.