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Finding the Fourth Proportional to 5,803,347.89, 8,693,670.92 and 4,780,147.07

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Solution

The fourth proportional to 5,803,347.89, 8,693,670.92 and 4,780,147.07 is: 7,160,870.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,803,347.89 : 8,693,670.92 = 4,780,147.07 : x
  2. Step 2: Convert to fraction form
    5,803,347.89/8,693,670.92 = 4,780,147.07/x
  3. Step 3: Cross multiply
    5,803,347.89x = 8,693,670.92 × 4,780,147.07
  4. Step 4: Simplify right side
    5,803,347.89x = 41,557,025,508,413.12
  5. Step 5: Solve for x
    x = 41,557,025,508,413.12/5,803,347.89
  6. Step 6: Final answer
    x = 7,160,870.99

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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.