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Finding the Fourth Proportional to 5,328,709.10, 7,993,063.65 and 5,328,709.10

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Solution

The fourth proportional to 5,328,709.10, 7,993,063.65 and 5,328,709.10 is: 7,993,063.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328,709.10 : 7,993,063.65 = 5,328,709.10 : x
  2. Step 2: Convert to fraction form
    5,328,709.10/7,993,063.65 = 5,328,709.10/x
  3. Step 3: Cross multiply
    5,328,709.10x = 7,993,063.65 × 5,328,709.10
  4. Step 4: Simplify right side
    5,328,709.10x = 42,592,711,008,634.21
  5. Step 5: Solve for x
    x = 42,592,711,008,634.21/5,328,709.10
  6. Step 6: Final answer
    x = 7,993,063.65

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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.