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Finding the Fourth Proportional to 31,893.66, 48,140.06 and 31,893.66

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Solution

The fourth proportional to 31,893.66, 48,140.06 and 31,893.66 is: 48,140.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,893.66 : 48,140.06 = 31,893.66 : x
  2. Step 2: Convert to fraction form
    31,893.66/48,140.06 = 31,893.66/x
  3. Step 3: Cross multiply
    31,893.66x = 48,140.06 × 31,893.66
  4. Step 4: Simplify right side
    31,893.66x = 1,535,362,546.55
  5. Step 5: Solve for x
    x = 1,535,362,546.55/31,893.66
  6. Step 6: Final answer
    x = 48,140.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.