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Finding the Fourth Proportional to 23,560.80, 32,509.98 and 15,613.80

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Solution

The fourth proportional to 23,560.80, 32,509.98 and 15,613.80 is: 21,544.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,560.80 : 32,509.98 = 15,613.80 : x
  2. Step 2: Convert to fraction form
    23,560.80/32,509.98 = 15,613.80/x
  3. Step 3: Cross multiply
    23,560.80x = 32,509.98 × 15,613.80
  4. Step 4: Simplify right side
    23,560.80x = 507,604,325.72
  5. Step 5: Solve for x
    x = 507,604,325.72/23,560.80
  6. Step 6: Final answer
    x = 21,544.44

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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.