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Finding the Fourth Proportional to 21,552.58, 32,331.10 and 5,970.20

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Solution

The fourth proportional to 21,552.58, 32,331.10 and 5,970.20 is: 8,955.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,552.58 : 32,331.10 = 5,970.20 : x
  2. Step 2: Convert to fraction form
    21,552.58/32,331.10 = 5,970.20/x
  3. Step 3: Cross multiply
    21,552.58x = 32,331.10 × 5,970.20
  4. Step 4: Simplify right side
    21,552.58x = 193,023,133.22
  5. Step 5: Solve for x
    x = 193,023,133.22/21,552.58
  6. Step 6: Final answer
    x = 8,955.92

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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.