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Finding the Fourth Proportional to 77,937, 107,563.59 and 43,952.46

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Solution

The fourth proportional to 77,937, 107,563.59 and 43,952.46 is: 60,660.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,937 : 107,563.59 = 43,952.46 : x
  2. Step 2: Convert to fraction form
    77,937/107,563.59 = 43,952.46/x
  3. Step 3: Cross multiply
    77,937x = 107,563.59 × 43,952.46
  4. Step 4: Simplify right side
    77,937x = 4,727,684,386.93
  5. Step 5: Solve for x
    x = 4,727,684,386.93/77,937
  6. Step 6: Final answer
    x = 60,660.33

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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.