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Finding the Fourth Proportional to 70,614.93, 105,926.04 and 18,024.87

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Solution

The fourth proportional to 70,614.93, 105,926.04 and 18,024.87 is: 27,038.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,614.93 : 105,926.04 = 18,024.87 : x
  2. Step 2: Convert to fraction form
    70,614.93/105,926.04 = 18,024.87/x
  3. Step 3: Cross multiply
    70,614.93x = 105,926.04 × 18,024.87
  4. Step 4: Simplify right side
    70,614.93x = 1,909,303,100.61
  5. Step 5: Solve for x
    x = 1,909,303,100.61/70,614.93
  6. Step 6: Final answer
    x = 27,038.24

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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.