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Finding the Fourth Proportional to 69,398.76, 104,530.41 and 64,532.28

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Solution

The fourth proportional to 69,398.76, 104,530.41 and 64,532.28 is: 97,200.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,398.76 : 104,530.41 = 64,532.28 : x
  2. Step 2: Convert to fraction form
    69,398.76/104,530.41 = 64,532.28/x
  3. Step 3: Cross multiply
    69,398.76x = 104,530.41 × 64,532.28
  4. Step 4: Simplify right side
    69,398.76x = 6,745,585,686.63
  5. Step 5: Solve for x
    x = 6,745,585,686.63/69,398.76
  6. Step 6: Final answer
    x = 97,200.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.