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Finding the Fourth Proportional to 21,885.83, 32,833.93 and 7,094.76

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Solution

The fourth proportional to 21,885.83, 32,833.93 and 7,094.76 is: 10,643.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,885.83 : 32,833.93 = 7,094.76 : x
  2. Step 2: Convert to fraction form
    21,885.83/32,833.93 = 7,094.76/x
  3. Step 3: Cross multiply
    21,885.83x = 32,833.93 × 7,094.76
  4. Step 4: Simplify right side
    21,885.83x = 232,948,853.21
  5. Step 5: Solve for x
    x = 232,948,853.21/21,885.83
  6. Step 6: Final answer
    x = 10,643.82

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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.