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Finding the Fourth Proportional to 13,088.57, 18,063.41 and 8,056.08

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Solution

The fourth proportional to 13,088.57, 18,063.41 and 8,056.08 is: 11,118.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088.57 : 18,063.41 = 8,056.08 : x
  2. Step 2: Convert to fraction form
    13,088.57/18,063.41 = 8,056.08/x
  3. Step 3: Cross multiply
    13,088.57x = 18,063.41 × 8,056.08
  4. Step 4: Simplify right side
    13,088.57x = 145,520,235.75
  5. Step 5: Solve for x
    x = 145,520,235.75/13,088.57
  6. Step 6: Final answer
    x = 11,118.12

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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.