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Finding the Fourth Proportional to 65,057.51, 89,769.44 and 36,752.87

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Solution

The fourth proportional to 65,057.51, 89,769.44 and 36,752.87 is: 50,713.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,057.51 : 89,769.44 = 36,752.87 : x
  2. Step 2: Convert to fraction form
    65,057.51/89,769.44 = 36,752.87/x
  3. Step 3: Cross multiply
    65,057.51x = 89,769.44 × 36,752.87
  4. Step 4: Simplify right side
    65,057.51x = 3,299,283,925.68
  5. Step 5: Solve for x
    x = 3,299,283,925.68/65,057.51
  6. Step 6: Final answer
    x = 50,713.35

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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.