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Finding the Fourth Proportional to 89,353.70, 134,030.55 and 23,689.70

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Solution

The fourth proportional to 89,353.70, 134,030.55 and 23,689.70 is: 35,534.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,353.70 : 134,030.55 = 23,689.70 : x
  2. Step 2: Convert to fraction form
    89,353.70/134,030.55 = 23,689.70/x
  3. Step 3: Cross multiply
    89,353.70x = 134,030.55 × 23,689.70
  4. Step 4: Simplify right side
    89,353.70x = 3,175,143,520.34
  5. Step 5: Solve for x
    x = 3,175,143,520.34/89,353.70
  6. Step 6: Final answer
    x = 35,534.55

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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.