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Finding the Fourth Proportional to 6,899.99, 9,527.35 and 5,304.16

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Solution

The fourth proportional to 6,899.99, 9,527.35 and 5,304.16 is: 7,323.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.99 : 9,527.35 = 5,304.16 : x
  2. Step 2: Convert to fraction form
    6,899.99/9,527.35 = 5,304.16/x
  3. Step 3: Cross multiply
    6,899.99x = 9,527.35 × 5,304.16
  4. Step 4: Simplify right side
    6,899.99x = 50,534,555.66
  5. Step 5: Solve for x
    x = 50,534,555.66/6,899.99
  6. Step 6: Final answer
    x = 7,323.86

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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.