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Finding the Fourth Proportional to 68,386.62, 94,416.84 and 46,912.32

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Solution

The fourth proportional to 68,386.62, 94,416.84 and 46,912.32 is: 64,768.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,386.62 : 94,416.84 = 46,912.32 : x
  2. Step 2: Convert to fraction form
    68,386.62/94,416.84 = 46,912.32/x
  3. Step 3: Cross multiply
    68,386.62x = 94,416.84 × 46,912.32
  4. Step 4: Simplify right side
    68,386.62x = 4,429,313,011.47
  5. Step 5: Solve for x
    x = 4,429,313,011.47/68,386.62
  6. Step 6: Final answer
    x = 64,768.71

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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.