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Finding the Fourth Proportional to 25,484.68, 38,212.05 and 7,710

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Solution

The fourth proportional to 25,484.68, 38,212.05 and 7,710 is: 11,560.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,484.68 : 38,212.05 = 7,710 : x
  2. Step 2: Convert to fraction form
    25,484.68/38,212.05 = 7,710/x
  3. Step 3: Cross multiply
    25,484.68x = 38,212.05 × 7,710
  4. Step 4: Simplify right side
    25,484.68x = 294,614,905.50
  5. Step 5: Solve for x
    x = 294,614,905.50/25,484.68
  6. Step 6: Final answer
    x = 11,560.47

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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.