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Finding the Fourth Proportional to 65,023.36, 89,734.08 and 36,730.24

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Solution

The fourth proportional to 65,023.36, 89,734.08 and 36,730.24 is: 50,688.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,023.36 : 89,734.08 = 36,730.24 : x
  2. Step 2: Convert to fraction form
    65,023.36/89,734.08 = 36,730.24/x
  3. Step 3: Cross multiply
    65,023.36x = 89,734.08 × 36,730.24
  4. Step 4: Simplify right side
    65,023.36x = 3,295,954,294.58
  5. Step 5: Solve for x
    x = 3,295,954,294.58/65,023.36
  6. Step 6: Final answer
    x = 50,688.77

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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.