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Finding the Fourth Proportional to 71,472.51, 98,636.54 and 41,263.36

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Solution

The fourth proportional to 71,472.51, 98,636.54 and 41,263.36 is: 56,946.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,472.51 : 98,636.54 = 41,263.36 : x
  2. Step 2: Convert to fraction form
    71,472.51/98,636.54 = 41,263.36/x
  3. Step 3: Cross multiply
    71,472.51x = 98,636.54 × 41,263.36
  4. Step 4: Simplify right side
    71,472.51x = 4,070,074,606.27
  5. Step 5: Solve for x
    x = 4,070,074,606.27/71,472.51
  6. Step 6: Final answer
    x = 56,946.01

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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.