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Finding the Fourth Proportional to 8,723.37, 12,032.85 and 7,606.98

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Solution

The fourth proportional to 8,723.37, 12,032.85 and 7,606.98 is: 10,492.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.37 : 12,032.85 = 7,606.98 : x
  2. Step 2: Convert to fraction form
    8,723.37/12,032.85 = 7,606.98/x
  3. Step 3: Cross multiply
    8,723.37x = 12,032.85 × 7,606.98
  4. Step 4: Simplify right side
    8,723.37x = 91,533,649.29
  5. Step 5: Solve for x
    x = 91,533,649.29/8,723.37
  6. Step 6: Final answer
    x = 10,492.92

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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.