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Finding the Fourth Proportional to 48,012.45, 66,250.56 and 26,787.60

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Solution

The fourth proportional to 48,012.45, 66,250.56 and 26,787.60 is: 36,963.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,012.45 : 66,250.56 = 26,787.60 : x
  2. Step 2: Convert to fraction form
    48,012.45/66,250.56 = 26,787.60/x
  3. Step 3: Cross multiply
    48,012.45x = 66,250.56 × 26,787.60
  4. Step 4: Simplify right side
    48,012.45x = 1,774,693,501.06
  5. Step 5: Solve for x
    x = 1,774,693,501.06/48,012.45
  6. Step 6: Final answer
    x = 36,963.19

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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.