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Finding the Fourth Proportional to 15,569,105.70, 23,353,658.55 and 15,569,105.70

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Solution

The fourth proportional to 15,569,105.70, 23,353,658.55 and 15,569,105.70 is: 23,353,658.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,569,105.70 : 23,353,658.55 = 15,569,105.70 : x
  2. Step 2: Convert to fraction form
    15,569,105.70/23,353,658.55 = 15,569,105.70/x
  3. Step 3: Cross multiply
    15,569,105.70x = 23,353,658.55 × 15,569,105.70
  4. Step 4: Simplify right side
    15,569,105.70x = 363,595,578,446,658.75
  5. Step 5: Solve for x
    x = 363,595,578,446,658.75/15,569,105.70
  6. Step 6: Final answer
    x = 23,353,658.55

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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.