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Finding the Fourth Proportional to 7,244,521.70, 10,866,782.55 and 7,244,521.70

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Solution

The fourth proportional to 7,244,521.70, 10,866,782.55 and 7,244,521.70 is: 10,866,782.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244,521.70 : 10,866,782.55 = 7,244,521.70 : x
  2. Step 2: Convert to fraction form
    7,244,521.70/10,866,782.55 = 7,244,521.70/x
  3. Step 3: Cross multiply
    7,244,521.70x = 10,866,782.55 × 7,244,521.70
  4. Step 4: Simplify right side
    7,244,521.70x = 78,724,641,992,656.34
  5. Step 5: Solve for x
    x = 78,724,641,992,656.34/7,244,521.70
  6. Step 6: Final answer
    x = 10,866,782.55

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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.