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Finding the Fourth Proportional to 39,633, 54,693.95 and 23,720.55

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Solution

The fourth proportional to 39,633, 54,693.95 and 23,720.55 is: 32,734.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,633 : 54,693.95 = 23,720.55 : x
  2. Step 2: Convert to fraction form
    39,633/54,693.95 = 23,720.55/x
  3. Step 3: Cross multiply
    39,633x = 54,693.95 × 23,720.55
  4. Step 4: Simplify right side
    39,633x = 1,297,370,457.07
  5. Step 5: Solve for x
    x = 1,297,370,457.07/39,633
  6. Step 6: Final answer
    x = 32,734.60

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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.