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Finding the Fourth Proportional to 9,036.66, 13,535.46 and 7,458.96

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Solution

The fourth proportional to 9,036.66, 13,535.46 and 7,458.96 is: 11,172.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,036.66 : 13,535.46 = 7,458.96 : x
  2. Step 2: Convert to fraction form
    9,036.66/13,535.46 = 7,458.96/x
  3. Step 3: Cross multiply
    9,036.66x = 13,535.46 × 7,458.96
  4. Step 4: Simplify right side
    9,036.66x = 100,960,454.72
  5. Step 5: Solve for x
    x = 100,960,454.72/9,036.66
  6. Step 6: Final answer
    x = 11,172.32

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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.