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Finding the Fourth Proportional to 59,956, 89,938.36 and 23,020

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Solution

The fourth proportional to 59,956, 89,938.36 and 23,020 is: 34,531.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,956 : 89,938.36 = 23,020 : x
  2. Step 2: Convert to fraction form
    59,956/89,938.36 = 23,020/x
  3. Step 3: Cross multiply
    59,956x = 89,938.36 × 23,020
  4. Step 4: Simplify right side
    59,956x = 2,070,381,047.20
  5. Step 5: Solve for x
    x = 2,070,381,047.20/59,956
  6. Step 6: Final answer
    x = 34,531.67

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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.