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Finding the Fourth Proportional to 9,776.58, 13,489.23 and 5,797.50

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Solution

The fourth proportional to 9,776.58, 13,489.23 and 5,797.50 is: 7,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,776.58 : 13,489.23 = 5,797.50 : x
  2. Step 2: Convert to fraction form
    9,776.58/13,489.23 = 5,797.50/x
  3. Step 3: Cross multiply
    9,776.58x = 13,489.23 × 5,797.50
  4. Step 4: Simplify right side
    9,776.58x = 78,203,810.93
  5. Step 5: Solve for x
    x = 78,203,810.93/9,776.58
  6. Step 6: Final answer
    x = 7,999.10

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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.