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Finding the Fourth Proportional to 7,182,040.40, 10,773,060.60 and 7,182,040.40

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Solution

The fourth proportional to 7,182,040.40, 10,773,060.60 and 7,182,040.40 is: 10,773,060.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182,040.40 : 10,773,060.60 = 7,182,040.40 : x
  2. Step 2: Convert to fraction form
    7,182,040.40/10,773,060.60 = 7,182,040.40/x
  3. Step 3: Cross multiply
    7,182,040.40x = 10,773,060.60 × 7,182,040.40
  4. Step 4: Simplify right side
    7,182,040.40x = 77,372,556,460,848.23
  5. Step 5: Solve for x
    x = 77,372,556,460,848.23/7,182,040.40
  6. Step 6: Final answer
    x = 10,773,060.60

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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.