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Finding the Fourth Proportional to 70,038.84, 96,635.52 and 41,724.48

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Solution

The fourth proportional to 70,038.84, 96,635.52 and 41,724.48 is: 57,569.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,038.84 : 96,635.52 = 41,724.48 : x
  2. Step 2: Convert to fraction form
    70,038.84/96,635.52 = 41,724.48/x
  3. Step 3: Cross multiply
    70,038.84x = 96,635.52 × 41,724.48
  4. Step 4: Simplify right side
    70,038.84x = 4,032,066,821.53
  5. Step 5: Solve for x
    x = 4,032,066,821.53/70,038.84
  6. Step 6: Final answer
    x = 57,569.01

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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.