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Finding the Fourth Proportional to 63,341.81, 87,410.95 and 34,661.17

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Solution

The fourth proportional to 63,341.81, 87,410.95 and 34,661.17 is: 47,831.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,341.81 : 87,410.95 = 34,661.17 : x
  2. Step 2: Convert to fraction form
    63,341.81/87,410.95 = 34,661.17/x
  3. Step 3: Cross multiply
    63,341.81x = 87,410.95 × 34,661.17
  4. Step 4: Simplify right side
    63,341.81x = 3,029,765,328.74
  5. Step 5: Solve for x
    x = 3,029,765,328.74/63,341.81
  6. Step 6: Final answer
    x = 47,831.99

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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.