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Finding the Fourth Proportional to 69,897.32, 95,915.77 and 63,561.32

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Solution

The fourth proportional to 69,897.32, 95,915.77 and 63,561.32 is: 87,221.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,897.32 : 95,915.77 = 63,561.32 : x
  2. Step 2: Convert to fraction form
    69,897.32/95,915.77 = 63,561.32/x
  3. Step 3: Cross multiply
    69,897.32x = 95,915.77 × 63,561.32
  4. Step 4: Simplify right side
    69,897.32x = 6,096,532,950.02
  5. Step 5: Solve for x
    x = 6,096,532,950.02/69,897.32
  6. Step 6: Final answer
    x = 87,221.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.