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Finding the Fourth Proportional to 15,833.33, 21,848.91 and 8,760.01

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Solution

The fourth proportional to 15,833.33, 21,848.91 and 8,760.01 is: 12,088.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,833.33 : 21,848.91 = 8,760.01 : x
  2. Step 2: Convert to fraction form
    15,833.33/21,848.91 = 8,760.01/x
  3. Step 3: Cross multiply
    15,833.33x = 21,848.91 × 8,760.01
  4. Step 4: Simplify right side
    15,833.33x = 191,396,560.84
  5. Step 5: Solve for x
    x = 191,396,560.84/15,833.33
  6. Step 6: Final answer
    x = 12,088.21

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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.