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Finding the Fourth Proportional to 45,805.73, 68,683.68 and 14,207.22

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Solution

The fourth proportional to 45,805.73, 68,683.68 and 14,207.22 is: 21,303.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,805.73 : 68,683.68 = 14,207.22 : x
  2. Step 2: Convert to fraction form
    45,805.73/68,683.68 = 14,207.22/x
  3. Step 3: Cross multiply
    45,805.73x = 68,683.68 × 14,207.22
  4. Step 4: Simplify right side
    45,805.73x = 975,804,152.17
  5. Step 5: Solve for x
    x = 975,804,152.17/45,805.73
  6. Step 6: Final answer
    x = 21,303.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.