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Finding the Fourth Proportional to 68,482.71, 94,507.23 and 38,269.98

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Solution

The fourth proportional to 68,482.71, 94,507.23 and 38,269.98 is: 52,813.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,482.71 : 94,507.23 = 38,269.98 : x
  2. Step 2: Convert to fraction form
    68,482.71/94,507.23 = 38,269.98/x
  3. Step 3: Cross multiply
    68,482.71x = 94,507.23 × 38,269.98
  4. Step 4: Simplify right side
    68,482.71x = 3,616,789,881.77
  5. Step 5: Solve for x
    x = 3,616,789,881.77/68,482.71
  6. Step 6: Final answer
    x = 52,813.18

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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.