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Finding the Fourth Proportional to 21,501.80, 32,250.28 and 7,459.24

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Solution

The fourth proportional to 21,501.80, 32,250.28 and 7,459.24 is: 11,188.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,501.80 : 32,250.28 = 7,459.24 : x
  2. Step 2: Convert to fraction form
    21,501.80/32,250.28 = 7,459.24/x
  3. Step 3: Cross multiply
    21,501.80x = 32,250.28 × 7,459.24
  4. Step 4: Simplify right side
    21,501.80x = 240,562,578.59
  5. Step 5: Solve for x
    x = 240,562,578.59/21,501.80
  6. Step 6: Final answer
    x = 11,188.02

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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.