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Finding the Fourth Proportional to 21,393.77, 32,094.48 and 7,350.17

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Solution

The fourth proportional to 21,393.77, 32,094.48 and 7,350.17 is: 11,026.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,393.77 : 32,094.48 = 7,350.17 : x
  2. Step 2: Convert to fraction form
    21,393.77/32,094.48 = 7,350.17/x
  3. Step 3: Cross multiply
    21,393.77x = 32,094.48 × 7,350.17
  4. Step 4: Simplify right side
    21,393.77x = 235,899,884.06
  5. Step 5: Solve for x
    x = 235,899,884.06/21,393.77
  6. Step 6: Final answer
    x = 11,026.57

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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.