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Finding the Fourth Proportional to 9,351,387.40, 13,060,055.90 and 9,351,387.40

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Solution

The fourth proportional to 9,351,387.40, 13,060,055.90 and 9,351,387.40 is: 13,060,055.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,351,387.40 : 13,060,055.90 = 9,351,387.40 : x
  2. Step 2: Convert to fraction form
    9,351,387.40/13,060,055.90 = 9,351,387.40/x
  3. Step 3: Cross multiply
    9,351,387.40x = 13,060,055.90 × 9,351,387.40
  4. Step 4: Simplify right side
    9,351,387.40x = 122,129,642,186,555.67
  5. Step 5: Solve for x
    x = 122,129,642,186,555.67/9,351,387.40
  6. Step 6: Final answer
    x = 13,060,055.90

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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.