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Finding the Fourth Proportional to 32,430, 44,753.40 and 22,499.76

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Solution

The fourth proportional to 32,430, 44,753.40 and 22,499.76 is: 31,049.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,430 : 44,753.40 = 22,499.76 : x
  2. Step 2: Convert to fraction form
    32,430/44,753.40 = 22,499.76/x
  3. Step 3: Cross multiply
    32,430x = 44,753.40 × 22,499.76
  4. Step 4: Simplify right side
    32,430x = 1,006,940,759.18
  5. Step 5: Solve for x
    x = 1,006,940,759.18/32,430
  6. Step 6: Final answer
    x = 31,049.67

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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.