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Finding the Fourth Proportional to 22,653.55, 33,980.35 and 8,610.28

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Solution

The fourth proportional to 22,653.55, 33,980.35 and 8,610.28 is: 12,915.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,653.55 : 33,980.35 = 8,610.28 : x
  2. Step 2: Convert to fraction form
    22,653.55/33,980.35 = 8,610.28/x
  3. Step 3: Cross multiply
    22,653.55x = 33,980.35 × 8,610.28
  4. Step 4: Simplify right side
    22,653.55x = 292,580,328.00
  5. Step 5: Solve for x
    x = 292,580,328.00/22,653.55
  6. Step 6: Final answer
    x = 12,915.43

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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.