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Finding the Fourth Proportional to 68,526, 94,566.04 and 38,718

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Solution

The fourth proportional to 68,526, 94,566.04 and 38,718 is: 53,430.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,526 : 94,566.04 = 38,718 : x
  2. Step 2: Convert to fraction form
    68,526/94,566.04 = 38,718/x
  3. Step 3: Cross multiply
    68,526x = 94,566.04 × 38,718
  4. Step 4: Simplify right side
    68,526x = 3,661,407,936.72
  5. Step 5: Solve for x
    x = 3,661,407,936.72/68,526
  6. Step 6: Final answer
    x = 53,430.93

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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.