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Finding the Fourth Proportional to 71,510.79, 98,643.87 and 44,606.58

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Solution

The fourth proportional to 71,510.79, 98,643.87 and 44,606.58 is: 61,531.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,510.79 : 98,643.87 = 44,606.58 : x
  2. Step 2: Convert to fraction form
    71,510.79/98,643.87 = 44,606.58/x
  3. Step 3: Cross multiply
    71,510.79x = 98,643.87 × 44,606.58
  4. Step 4: Simplify right side
    71,510.79x = 4,400,165,678.66
  5. Step 5: Solve for x
    x = 4,400,165,678.66/71,510.79
  6. Step 6: Final answer
    x = 61,531.49

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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.