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Finding the Fourth Proportional to 62,183.70, 93,293.78 and 20,070.28

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Solution

The fourth proportional to 62,183.70, 93,293.78 and 20,070.28 is: 30,111.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,183.70 : 93,293.78 = 20,070.28 : x
  2. Step 2: Convert to fraction form
    62,183.70/93,293.78 = 20,070.28/x
  3. Step 3: Cross multiply
    62,183.70x = 93,293.78 × 20,070.28
  4. Step 4: Simplify right side
    62,183.70x = 1,872,432,303.12
  5. Step 5: Solve for x
    x = 1,872,432,303.12/62,183.70
  6. Step 6: Final answer
    x = 30,111.30

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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.