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Finding the Fourth Proportional to 69,754.37, 96,254.84 and 38,710.40

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Solution

The fourth proportional to 69,754.37, 96,254.84 and 38,710.40 is: 53,416.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,754.37 : 96,254.84 = 38,710.40 : x
  2. Step 2: Convert to fraction form
    69,754.37/96,254.84 = 38,710.40/x
  3. Step 3: Cross multiply
    69,754.37x = 96,254.84 × 38,710.40
  4. Step 4: Simplify right side
    69,754.37x = 3,726,062,683.51
  5. Step 5: Solve for x
    x = 3,726,062,683.51/69,754.37
  6. Step 6: Final answer
    x = 53,416.91

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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.