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Finding the Fourth Proportional to 15,768.66, 23,636.55 and 5,903.64

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Solution

The fourth proportional to 15,768.66, 23,636.55 and 5,903.64 is: 8,849.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,768.66 : 23,636.55 = 5,903.64 : x
  2. Step 2: Convert to fraction form
    15,768.66/23,636.55 = 5,903.64/x
  3. Step 3: Cross multiply
    15,768.66x = 23,636.55 × 5,903.64
  4. Step 4: Simplify right side
    15,768.66x = 139,541,682.04
  5. Step 5: Solve for x
    x = 139,541,682.04/15,768.66
  6. Step 6: Final answer
    x = 8,849.31

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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.