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Finding the Fourth Proportional to 37,683.16, 52,003.02 and 20,916.16

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Solution

The fourth proportional to 37,683.16, 52,003.02 and 20,916.16 is: 28,864.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,683.16 : 52,003.02 = 20,916.16 : x
  2. Step 2: Convert to fraction form
    37,683.16/52,003.02 = 20,916.16/x
  3. Step 3: Cross multiply
    37,683.16x = 52,003.02 × 20,916.16
  4. Step 4: Simplify right side
    37,683.16x = 1,087,703,486.80
  5. Step 5: Solve for x
    x = 1,087,703,486.80/37,683.16
  6. Step 6: Final answer
    x = 28,864.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.