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Finding the Fourth Proportional to 8,887.94, 13,332.04 and 8,617.30

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Solution

The fourth proportional to 8,887.94, 13,332.04 and 8,617.30 is: 12,926.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887.94 : 13,332.04 = 8,617.30 : x
  2. Step 2: Convert to fraction form
    8,887.94/13,332.04 = 8,617.30/x
  3. Step 3: Cross multiply
    8,887.94x = 13,332.04 × 8,617.30
  4. Step 4: Simplify right side
    8,887.94x = 114,886,188.29
  5. Step 5: Solve for x
    x = 114,886,188.29/8,887.94
  6. Step 6: Final answer
    x = 12,926.08

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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.