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Finding the Fourth Proportional to 19,345.32, 29,030.94 and 7,033.32

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Solution

The fourth proportional to 19,345.32, 29,030.94 and 7,033.32 is: 10,554.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,345.32 : 29,030.94 = 7,033.32 : x
  2. Step 2: Convert to fraction form
    19,345.32/29,030.94 = 7,033.32/x
  3. Step 3: Cross multiply
    19,345.32x = 29,030.94 × 7,033.32
  4. Step 4: Simplify right side
    19,345.32x = 204,183,890.92
  5. Step 5: Solve for x
    x = 204,183,890.92/19,345.32
  6. Step 6: Final answer
    x = 10,554.69

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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.