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Finding the Fourth Proportional to 23,642.96, 32,616.95 and 15,566.20

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Solution

The fourth proportional to 23,642.96, 32,616.95 and 15,566.20 is: 21,474.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,642.96 : 32,616.95 = 15,566.20 : x
  2. Step 2: Convert to fraction form
    23,642.96/32,616.95 = 15,566.20/x
  3. Step 3: Cross multiply
    23,642.96x = 32,616.95 × 15,566.20
  4. Step 4: Simplify right side
    23,642.96x = 507,721,807.72
  5. Step 5: Solve for x
    x = 507,721,807.72/23,642.96
  6. Step 6: Final answer
    x = 21,474.54

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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.