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Finding the Fourth Proportional to 13,306,500.70, 19,959,751.05 and 13,306,500.70

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Solution

The fourth proportional to 13,306,500.70, 19,959,751.05 and 13,306,500.70 is: 19,959,751.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,500.70 : 19,959,751.05 = 13,306,500.70 : x
  2. Step 2: Convert to fraction form
    13,306,500.70/19,959,751.05 = 13,306,500.70/x
  3. Step 3: Cross multiply
    13,306,500.70x = 19,959,751.05 × 13,306,500.70
  4. Step 4: Simplify right side
    13,306,500.70x = 265,594,441,318,650.72
  5. Step 5: Solve for x
    x = 265,594,441,318,650.72/13,306,500.70
  6. Step 6: Final answer
    x = 19,959,751.05

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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.