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Finding the Fourth Proportional to 13,349,455.30, 18,731,752.70 and 13,349,455.30

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Solution

The fourth proportional to 13,349,455.30, 18,731,752.70 and 13,349,455.30 is: 18,731,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349,455.30 : 18,731,752.70 = 13,349,455.30 : x
  2. Step 2: Convert to fraction form
    13,349,455.30/18,731,752.70 = 13,349,455.30/x
  3. Step 3: Cross multiply
    13,349,455.30x = 18,731,752.70 × 13,349,455.30
  4. Step 4: Simplify right side
    13,349,455.30x = 250,058,695,359,304.31
  5. Step 5: Solve for x
    x = 250,058,695,359,304.31/13,349,455.30
  6. Step 6: Final answer
    x = 18,731,752.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.