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Finding the Fourth Proportional to 64,831.32, 89,464.14 and 36,536.04

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Solution

The fourth proportional to 64,831.32, 89,464.14 and 36,536.04 is: 50,418.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,831.32 : 89,464.14 = 36,536.04 : x
  2. Step 2: Convert to fraction form
    64,831.32/89,464.14 = 36,536.04/x
  3. Step 3: Cross multiply
    64,831.32x = 89,464.14 × 36,536.04
  4. Step 4: Simplify right side
    64,831.32x = 3,268,665,397.61
  5. Step 5: Solve for x
    x = 3,268,665,397.61/64,831.32
  6. Step 6: Final answer
    x = 50,418.00

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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.