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Finding the Fourth Proportional to 69,859.68, 96,410.16 and 40,051.68

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Solution

The fourth proportional to 69,859.68, 96,410.16 and 40,051.68 is: 55,273.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,859.68 : 96,410.16 = 40,051.68 : x
  2. Step 2: Convert to fraction form
    69,859.68/96,410.16 = 40,051.68/x
  3. Step 3: Cross multiply
    69,859.68x = 96,410.16 × 40,051.68
  4. Step 4: Simplify right side
    69,859.68x = 3,861,388,877.07
  5. Step 5: Solve for x
    x = 3,861,388,877.07/69,859.68
  6. Step 6: Final answer
    x = 55,273.50

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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.