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Finding the Fourth Proportional to 59,859.64, 82,514.86 and 38,611.72

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Solution

The fourth proportional to 59,859.64, 82,514.86 and 38,611.72 is: 53,225.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,859.64 : 82,514.86 = 38,611.72 : x
  2. Step 2: Convert to fraction form
    59,859.64/82,514.86 = 38,611.72/x
  3. Step 3: Cross multiply
    59,859.64x = 82,514.86 × 38,611.72
  4. Step 4: Simplify right side
    59,859.64x = 3,186,040,670.16
  5. Step 5: Solve for x
    x = 3,186,040,670.16/59,859.64
  6. Step 6: Final answer
    x = 53,225.19

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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.