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Finding the Fourth Proportional to 69,775.04, 96,289.08 and 37,943.12

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Solution

The fourth proportional to 69,775.04, 96,289.08 and 37,943.12 is: 52,361.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,775.04 : 96,289.08 = 37,943.12 : x
  2. Step 2: Convert to fraction form
    69,775.04/96,289.08 = 37,943.12/x
  3. Step 3: Cross multiply
    69,775.04x = 96,289.08 × 37,943.12
  4. Step 4: Simplify right side
    69,775.04x = 3,653,508,117.13
  5. Step 5: Solve for x
    x = 3,653,508,117.13/69,775.04
  6. Step 6: Final answer
    x = 52,361.25

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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.