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Finding the Fourth Proportional to 5,615,277.64, 7,749,437.53 and 3,166,995.39

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Solution

The fourth proportional to 5,615,277.64, 7,749,437.53 and 3,166,995.39 is: 4,370,653.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615,277.64 : 7,749,437.53 = 3,166,995.39 : x
  2. Step 2: Convert to fraction form
    5,615,277.64/7,749,437.53 = 3,166,995.39/x
  3. Step 3: Cross multiply
    5,615,277.64x = 7,749,437.53 × 3,166,995.39
  4. Step 4: Simplify right side
    5,615,277.64x = 24,542,432,916,768.01
  5. Step 5: Solve for x
    x = 24,542,432,916,768.01/5,615,277.64
  6. Step 6: Final answer
    x = 4,370,653.51

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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.