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Finding the Fourth Proportional to 48,395.54, 66,801.51 and 31,369.75

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Solution

The fourth proportional to 48,395.54, 66,801.51 and 31,369.75 is: 43,300.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,395.54 : 66,801.51 = 31,369.75 : x
  2. Step 2: Convert to fraction form
    48,395.54/66,801.51 = 31,369.75/x
  3. Step 3: Cross multiply
    48,395.54x = 66,801.51 × 31,369.75
  4. Step 4: Simplify right side
    48,395.54x = 2,095,546,501.32
  5. Step 5: Solve for x
    x = 2,095,546,501.32/48,395.54
  6. Step 6: Final answer
    x = 43,300.40

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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.