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Finding the Fourth Proportional to 69,551.21, 95,980.19 and 37,720.10

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Solution

The fourth proportional to 69,551.21, 95,980.19 and 37,720.10 is: 52,053.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,551.21 : 95,980.19 = 37,720.10 : x
  2. Step 2: Convert to fraction form
    69,551.21/95,980.19 = 37,720.10/x
  3. Step 3: Cross multiply
    69,551.21x = 95,980.19 × 37,720.10
  4. Step 4: Simplify right side
    69,551.21x = 3,620,381,696.32
  5. Step 5: Solve for x
    x = 3,620,381,696.32/69,551.21
  6. Step 6: Final answer
    x = 52,053.47

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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.