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Finding the Fourth Proportional to 15,094.85, 20,827.77 and 9,126.77

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Solution

The fourth proportional to 15,094.85, 20,827.77 and 9,126.77 is: 12,593.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,094.85 : 20,827.77 = 9,126.77 : x
  2. Step 2: Convert to fraction form
    15,094.85/20,827.77 = 9,126.77/x
  3. Step 3: Cross multiply
    15,094.85x = 20,827.77 × 9,126.77
  4. Step 4: Simplify right side
    15,094.85x = 190,090,162.26
  5. Step 5: Solve for x
    x = 190,090,162.26/15,094.85
  6. Step 6: Final answer
    x = 12,593.05

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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.