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Finding the Fourth Proportional to 62,216.90, 93,325.35 and 31,112.90

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Solution

The fourth proportional to 62,216.90, 93,325.35 and 31,112.90 is: 46,669.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,216.90 : 93,325.35 = 31,112.90 : x
  2. Step 2: Convert to fraction form
    62,216.90/93,325.35 = 31,112.90/x
  3. Step 3: Cross multiply
    62,216.90x = 93,325.35 × 31,112.90
  4. Step 4: Simplify right side
    62,216.90x = 2,903,622,282.02
  5. Step 5: Solve for x
    x = 2,903,622,282.02/62,216.90
  6. Step 6: Final answer
    x = 46,669.35

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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.