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Finding the Fourth Proportional to 62,254, 93,381.81 and 20,701

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Solution

The fourth proportional to 62,254, 93,381.81 and 20,701 is: 31,051.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,254 : 93,381.81 = 20,701 : x
  2. Step 2: Convert to fraction form
    62,254/93,381.81 = 20,701/x
  3. Step 3: Cross multiply
    62,254x = 93,381.81 × 20,701
  4. Step 4: Simplify right side
    62,254x = 1,933,096,848.81
  5. Step 5: Solve for x
    x = 1,933,096,848.81/62,254
  6. Step 6: Final answer
    x = 31,051.77

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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.