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Finding the Fourth Proportional to 24,919.96, 37,386.78 and 20,737.48

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Solution

The fourth proportional to 24,919.96, 37,386.78 and 20,737.48 is: 31,111.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,919.96 : 37,386.78 = 20,737.48 : x
  2. Step 2: Convert to fraction form
    24,919.96/37,386.78 = 20,737.48/x
  3. Step 3: Cross multiply
    24,919.96x = 37,386.78 × 20,737.48
  4. Step 4: Simplify right side
    24,919.96x = 775,307,602.51
  5. Step 5: Solve for x
    x = 775,307,602.51/24,919.96
  6. Step 6: Final answer
    x = 31,111.91

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1.5x scale

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.