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Finding the Fourth Proportional to 34,661.74, 47,833.06 and 19,554.40

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Solution

The fourth proportional to 34,661.74, 47,833.06 and 19,554.40 is: 26,984.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,661.74 : 47,833.06 = 19,554.40 : x
  2. Step 2: Convert to fraction form
    34,661.74/47,833.06 = 19,554.40/x
  3. Step 3: Cross multiply
    34,661.74x = 47,833.06 × 19,554.40
  4. Step 4: Simplify right side
    34,661.74x = 935,346,775.64
  5. Step 5: Solve for x
    x = 935,346,775.64/34,661.74
  6. Step 6: Final answer
    x = 26,984.99

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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.