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Finding the Fourth Proportional to 9,007.02, 13,477.65 and 5,311.02

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Solution

The fourth proportional to 9,007.02, 13,477.65 and 5,311.02 is: 7,947.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,007.02 : 13,477.65 = 5,311.02 : x
  2. Step 2: Convert to fraction form
    9,007.02/13,477.65 = 5,311.02/x
  3. Step 3: Cross multiply
    9,007.02x = 13,477.65 × 5,311.02
  4. Step 4: Simplify right side
    9,007.02x = 71,580,068.70
  5. Step 5: Solve for x
    x = 71,580,068.70/9,007.02
  6. Step 6: Final answer
    x = 7,947.14

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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.