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Finding the Fourth Proportional to 23,572.69, 32,523.02 and 15,619.30

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Solution

The fourth proportional to 23,572.69, 32,523.02 and 15,619.30 is: 21,549.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,572.69 : 32,523.02 = 15,619.30 : x
  2. Step 2: Convert to fraction form
    23,572.69/32,523.02 = 15,619.30/x
  3. Step 3: Cross multiply
    23,572.69x = 32,523.02 × 15,619.30
  4. Step 4: Simplify right side
    23,572.69x = 507,986,705.45
  5. Step 5: Solve for x
    x = 507,986,705.45/23,572.69
  6. Step 6: Final answer
    x = 21,549.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.