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Finding the Fourth Proportional to 70,679.93, 97,561.04 and 45,254.78

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Solution

The fourth proportional to 70,679.93, 97,561.04 and 45,254.78 is: 62,466.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,679.93 : 97,561.04 = 45,254.78 : x
  2. Step 2: Convert to fraction form
    70,679.93/97,561.04 = 45,254.78/x
  3. Step 3: Cross multiply
    70,679.93x = 97,561.04 × 45,254.78
  4. Step 4: Simplify right side
    70,679.93x = 4,415,103,175.50
  5. Step 5: Solve for x
    x = 4,415,103,175.50/70,679.93
  6. Step 6: Final answer
    x = 62,466.15

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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.