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Finding the Fourth Proportional to 56,262, 84,393.81 and 14,709

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Solution

The fourth proportional to 56,262, 84,393.81 and 14,709 is: 22,063.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,262 : 84,393.81 = 14,709 : x
  2. Step 2: Convert to fraction form
    56,262/84,393.81 = 14,709/x
  3. Step 3: Cross multiply
    56,262x = 84,393.81 × 14,709
  4. Step 4: Simplify right side
    56,262x = 1,241,348,551.29
  5. Step 5: Solve for x
    x = 1,241,348,551.29/56,262
  6. Step 6: Final answer
    x = 22,063.71

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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.