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Finding the Fourth Proportional to 56,610.50, 84,915.74 and 25,409.30

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Solution

The fourth proportional to 56,610.50, 84,915.74 and 25,409.30 is: 38,113.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,610.50 : 84,915.74 = 25,409.30 : x
  2. Step 2: Convert to fraction form
    56,610.50/84,915.74 = 25,409.30/x
  3. Step 3: Cross multiply
    56,610.50x = 84,915.74 × 25,409.30
  4. Step 4: Simplify right side
    56,610.50x = 2,157,649,151.33
  5. Step 5: Solve for x
    x = 2,157,649,151.33/56,610.50
  6. Step 6: Final answer
    x = 38,113.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.