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Finding the Fourth Proportional to 69,915.99, 96,483.57 and 38,084.88

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Solution

The fourth proportional to 69,915.99, 96,483.57 and 38,084.88 is: 52,556.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,915.99 : 96,483.57 = 38,084.88 : x
  2. Step 2: Convert to fraction form
    69,915.99/96,483.57 = 38,084.88/x
  3. Step 3: Cross multiply
    69,915.99x = 96,483.57 × 38,084.88
  4. Step 4: Simplify right side
    69,915.99x = 3,674,565,457.97
  5. Step 5: Solve for x
    x = 3,674,565,457.97/69,915.99
  6. Step 6: Final answer
    x = 52,556.87

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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.