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Finding the Fourth Proportional to 26,352, 36,365.76 and 15,173.76

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Solution

The fourth proportional to 26,352, 36,365.76 and 15,173.76 is: 20,939.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,352 : 36,365.76 = 15,173.76 : x
  2. Step 2: Convert to fraction form
    26,352/36,365.76 = 15,173.76/x
  3. Step 3: Cross multiply
    26,352x = 36,365.76 × 15,173.76
  4. Step 4: Simplify right side
    26,352x = 551,805,314.46
  5. Step 5: Solve for x
    x = 551,805,314.46/26,352
  6. Step 6: Final answer
    x = 20,939.79

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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.