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Finding the Fourth Proportional to 19,454.61, 26,955.79 and 19,034.22

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Solution

The fourth proportional to 19,454.61, 26,955.79 and 19,034.22 is: 26,373.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,454.61 : 26,955.79 = 19,034.22 : x
  2. Step 2: Convert to fraction form
    19,454.61/26,955.79 = 19,034.22/x
  3. Step 3: Cross multiply
    19,454.61x = 26,955.79 × 19,034.22
  4. Step 4: Simplify right side
    19,454.61x = 513,082,437.13
  5. Step 5: Solve for x
    x = 513,082,437.13/19,454.61
  6. Step 6: Final answer
    x = 26,373.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.