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Finding the Fourth Proportional to 70,684.80, 97,494.24 and 45,510.24

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Solution

The fourth proportional to 70,684.80, 97,494.24 and 45,510.24 is: 62,771.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,684.80 : 97,494.24 = 45,510.24 : x
  2. Step 2: Convert to fraction form
    70,684.80/97,494.24 = 45,510.24/x
  3. Step 3: Cross multiply
    70,684.80x = 97,494.24 × 45,510.24
  4. Step 4: Simplify right side
    70,684.80x = 4,436,986,261.02
  5. Step 5: Solve for x
    x = 4,436,986,261.02/70,684.80
  6. Step 6: Final answer
    x = 62,771.43

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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.