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Finding the Fourth Proportional to 21,924.59, 32,886.89 and 7,135.01

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Solution

The fourth proportional to 21,924.59, 32,886.89 and 7,135.01 is: 10,702.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,924.59 : 32,886.89 = 7,135.01 : x
  2. Step 2: Convert to fraction form
    21,924.59/32,886.89 = 7,135.01/x
  3. Step 3: Cross multiply
    21,924.59x = 32,886.89 × 7,135.01
  4. Step 4: Simplify right side
    21,924.59x = 234,648,253.34
  5. Step 5: Solve for x
    x = 234,648,253.34/21,924.59
  6. Step 6: Final answer
    x = 10,702.52

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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.