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Finding the Fourth Proportional to 65,095.86, 89,828.03 and 36,410.55

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Solution

The fourth proportional to 65,095.86, 89,828.03 and 36,410.55 is: 50,244.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,095.86 : 89,828.03 = 36,410.55 : x
  2. Step 2: Convert to fraction form
    65,095.86/89,828.03 = 36,410.55/x
  3. Step 3: Cross multiply
    65,095.86x = 89,828.03 × 36,410.55
  4. Step 4: Simplify right side
    65,095.86x = 3,270,687,977.72
  5. Step 5: Solve for x
    x = 3,270,687,977.72/65,095.86
  6. Step 6: Final answer
    x = 50,244.18

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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.