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Finding the Fourth Proportional to 15,068.59, 22,602.79 and 8,186.83

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Solution

The fourth proportional to 15,068.59, 22,602.79 and 8,186.83 is: 12,280.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,068.59 : 22,602.79 = 8,186.83 : x
  2. Step 2: Convert to fraction form
    15,068.59/22,602.79 = 8,186.83/x
  3. Step 3: Cross multiply
    15,068.59x = 22,602.79 × 8,186.83
  4. Step 4: Simplify right side
    15,068.59x = 185,045,199.26
  5. Step 5: Solve for x
    x = 185,045,199.26/15,068.59
  6. Step 6: Final answer
    x = 12,280.19

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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.