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Finding the Fourth Proportional to 50,459.69, 69,631.79 and 27,798.19

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Solution

The fourth proportional to 50,459.69, 69,631.79 and 27,798.19 is: 38,360.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,459.69 : 69,631.79 = 27,798.19 : x
  2. Step 2: Convert to fraction form
    50,459.69/69,631.79 = 27,798.19/x
  3. Step 3: Cross multiply
    50,459.69x = 69,631.79 × 27,798.19
  4. Step 4: Simplify right side
    50,459.69x = 1,935,637,415.39
  5. Step 5: Solve for x
    x = 1,935,637,415.39/50,459.69
  6. Step 6: Final answer
    x = 38,360.07

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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.