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Finding the Fourth Proportional to 5,709,971.58, 7,879,034.43 and 3,262,740.90

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Solution

The fourth proportional to 5,709,971.58, 7,879,034.43 and 3,262,740.90 is: 4,502,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,709,971.58 : 7,879,034.43 = 3,262,740.90 : x
  2. Step 2: Convert to fraction form
    5,709,971.58/7,879,034.43 = 3,262,740.90/x
  3. Step 3: Cross multiply
    5,709,971.58x = 7,879,034.43 × 3,262,740.90
  4. Step 4: Simplify right side
    5,709,971.58x = 25,707,247,887,269.18
  5. Step 5: Solve for x
    x = 25,707,247,887,269.18/5,709,971.58
  6. Step 6: Final answer
    x = 4,502,167.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.