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Finding the Fourth Proportional to 69,740.42, 96,238.62 and 39,523.98

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Solution

The fourth proportional to 69,740.42, 96,238.62 and 39,523.98 is: 54,541.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,740.42 : 96,238.62 = 39,523.98 : x
  2. Step 2: Convert to fraction form
    69,740.42/96,238.62 = 39,523.98/x
  3. Step 3: Cross multiply
    69,740.42x = 96,238.62 × 39,523.98
  4. Step 4: Simplify right side
    69,740.42x = 3,803,733,292.11
  5. Step 5: Solve for x
    x = 3,803,733,292.11/69,740.42
  6. Step 6: Final answer
    x = 54,541.30

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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.