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Finding the Fourth Proportional to 8,565.76, 11,823.54 and 5,028.88

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Solution

The fourth proportional to 8,565.76, 11,823.54 and 5,028.88 is: 6,941.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,565.76 : 11,823.54 = 5,028.88 : x
  2. Step 2: Convert to fraction form
    8,565.76/11,823.54 = 5,028.88/x
  3. Step 3: Cross multiply
    8,565.76x = 11,823.54 × 5,028.88
  4. Step 4: Simplify right side
    8,565.76x = 59,459,163.84
  5. Step 5: Solve for x
    x = 59,459,163.84/8,565.76
  6. Step 6: Final answer
    x = 6,941.49

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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.