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Finding the Fourth Proportional to 15,681.00, 23,521.50 and 6,922.06

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Solution

The fourth proportional to 15,681.00, 23,521.50 and 6,922.06 is: 10,383.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,681.00 : 23,521.50 = 6,922.06 : x
  2. Step 2: Convert to fraction form
    15,681.00/23,521.50 = 6,922.06/x
  3. Step 3: Cross multiply
    15,681.00x = 23,521.50 × 6,922.06
  4. Step 4: Simplify right side
    15,681.00x = 162,817,199.68
  5. Step 5: Solve for x
    x = 162,817,199.68/15,681.00
  6. Step 6: Final answer
    x = 10,383.09

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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.