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Finding the Fourth Proportional to 13,277,212.20, 19,915,818.30 and 13,277,212.20

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Solution

The fourth proportional to 13,277,212.20, 19,915,818.30 and 13,277,212.20 is: 19,915,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277,212.20 : 19,915,818.30 = 13,277,212.20 : x
  2. Step 2: Convert to fraction form
    13,277,212.20/19,915,818.30 = 13,277,212.20/x
  3. Step 3: Cross multiply
    13,277,212.20x = 19,915,818.30 × 13,277,212.20
  4. Step 4: Simplify right side
    13,277,212.20x = 264,426,545,705,743.25
  5. Step 5: Solve for x
    x = 264,426,545,705,743.25/13,277,212.20
  6. Step 6: Final answer
    x = 19,915,818.30

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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.