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Finding the Fourth Proportional to 70,467.57, 97,243.27 and 40,252.28

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Solution

The fourth proportional to 70,467.57, 97,243.27 and 40,252.28 is: 55,547.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,467.57 : 97,243.27 = 40,252.28 : x
  2. Step 2: Convert to fraction form
    70,467.57/97,243.27 = 40,252.28/x
  3. Step 3: Cross multiply
    70,467.57x = 97,243.27 × 40,252.28
  4. Step 4: Simplify right side
    70,467.57x = 3,914,262,745.31
  5. Step 5: Solve for x
    x = 3,914,262,745.31/70,467.57
  6. Step 6: Final answer
    x = 55,547.01

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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.