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Finding the Fourth Proportional to 8,903.79, 13,326.71 and 6,562.86

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Solution

The fourth proportional to 8,903.79, 13,326.71 and 6,562.86 is: 9,822.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.79 : 13,326.71 = 6,562.86 : x
  2. Step 2: Convert to fraction form
    8,903.79/13,326.71 = 6,562.86/x
  3. Step 3: Cross multiply
    8,903.79x = 13,326.71 × 6,562.86
  4. Step 4: Simplify right side
    8,903.79x = 87,461,286.12
  5. Step 5: Solve for x
    x = 87,461,286.12/8,903.79
  6. Step 6: Final answer
    x = 9,822.93

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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.