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Finding the Fourth Proportional to 22,501.45, 33,742.45 and 6,915.43

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Solution

The fourth proportional to 22,501.45, 33,742.45 and 6,915.43 is: 10,370.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,501.45 : 33,742.45 = 6,915.43 : x
  2. Step 2: Convert to fraction form
    22,501.45/33,742.45 = 6,915.43/x
  3. Step 3: Cross multiply
    22,501.45x = 33,742.45 × 6,915.43
  4. Step 4: Simplify right side
    22,501.45x = 233,343,551.00
  5. Step 5: Solve for x
    x = 233,343,551.00/22,501.45
  6. Step 6: Final answer
    x = 10,370.16

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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.