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Finding the Fourth Proportional to 53,019.84, 79,527.67 and 17,959.49

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Solution

The fourth proportional to 53,019.84, 79,527.67 and 17,959.49 is: 26,938.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,019.84 : 79,527.67 = 17,959.49 : x
  2. Step 2: Convert to fraction form
    53,019.84/79,527.67 = 17,959.49/x
  3. Step 3: Cross multiply
    53,019.84x = 79,527.67 × 17,959.49
  4. Step 4: Simplify right side
    53,019.84x = 1,428,276,394.09
  5. Step 5: Solve for x
    x = 1,428,276,394.09/53,019.84
  6. Step 6: Final answer
    x = 26,938.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.