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Finding the Fourth Proportional to 9,004.95, 13,489.52 and 7,047.99

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Solution

The fourth proportional to 9,004.95, 13,489.52 and 7,047.99 is: 10,557.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,004.95 : 13,489.52 = 7,047.99 : x
  2. Step 2: Convert to fraction form
    9,004.95/13,489.52 = 7,047.99/x
  3. Step 3: Cross multiply
    9,004.95x = 13,489.52 × 7,047.99
  4. Step 4: Simplify right side
    9,004.95x = 95,073,966.82
  5. Step 5: Solve for x
    x = 95,073,966.82/9,004.95
  6. Step 6: Final answer
    x = 10,557.97

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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.