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Finding the Fourth Proportional to 19,063.08, 28,594.08 and 7,378.92

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Solution

The fourth proportional to 19,063.08, 28,594.08 and 7,378.92 is: 11,068.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,063.08 : 28,594.08 = 7,378.92 : x
  2. Step 2: Convert to fraction form
    19,063.08/28,594.08 = 7,378.92/x
  3. Step 3: Cross multiply
    19,063.08x = 28,594.08 × 7,378.92
  4. Step 4: Simplify right side
    19,063.08x = 210,993,428.79
  5. Step 5: Solve for x
    x = 210,993,428.79/19,063.08
  6. Step 6: Final answer
    x = 11,068.17

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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.