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Finding the Fourth Proportional to 68,062.45, 93,928.47 and 37,436.84

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Solution

The fourth proportional to 68,062.45, 93,928.47 and 37,436.84 is: 51,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,062.45 : 93,928.47 = 37,436.84 : x
  2. Step 2: Convert to fraction form
    68,062.45/93,928.47 = 37,436.84/x
  3. Step 3: Cross multiply
    68,062.45x = 93,928.47 × 37,436.84
  4. Step 4: Simplify right side
    68,062.45x = 3,516,385,442.42
  5. Step 5: Solve for x
    x = 3,516,385,442.42/68,062.45
  6. Step 6: Final answer
    x = 51,664.10

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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.