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Finding the Fourth Proportional to 34,404.40, 47,440.20 and 22,445.20

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Solution

The fourth proportional to 34,404.40, 47,440.20 and 22,445.20 is: 30,949.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,404.40 : 47,440.20 = 22,445.20 : x
  2. Step 2: Convert to fraction form
    34,404.40/47,440.20 = 22,445.20/x
  3. Step 3: Cross multiply
    34,404.40x = 47,440.20 × 22,445.20
  4. Step 4: Simplify right side
    34,404.40x = 1,064,804,777.04
  5. Step 5: Solve for x
    x = 1,064,804,777.04/34,404.40
  6. Step 6: Final answer
    x = 30,949.67

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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.