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Finding the Fourth Proportional to 69,572.57, 96,009.75 and 37,740.78

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Solution

The fourth proportional to 69,572.57, 96,009.75 and 37,740.78 is: 52,082.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,572.57 : 96,009.75 = 37,740.78 : x
  2. Step 2: Convert to fraction form
    69,572.57/96,009.75 = 37,740.78/x
  3. Step 3: Cross multiply
    69,572.57x = 96,009.75 × 37,740.78
  4. Step 4: Simplify right side
    69,572.57x = 3,623,482,852.61
  5. Step 5: Solve for x
    x = 3,623,482,852.61/69,572.57
  6. Step 6: Final answer
    x = 52,082.07

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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.