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Finding the Fourth Proportional to 9,999.62, 13,798.29 and 5,523.10

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Solution

The fourth proportional to 9,999.62, 13,798.29 and 5,523.10 is: 7,621.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,999.62 : 13,798.29 = 5,523.10 : x
  2. Step 2: Convert to fraction form
    9,999.62/13,798.29 = 5,523.10/x
  3. Step 3: Cross multiply
    9,999.62x = 13,798.29 × 5,523.10
  4. Step 4: Simplify right side
    9,999.62x = 76,209,335.50
  5. Step 5: Solve for x
    x = 76,209,335.50/9,999.62
  6. Step 6: Final answer
    x = 7,621.22

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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.