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Finding the Fourth Proportional to 6,658,258.55, 9,188,657.55 and 3,757,750.74

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Solution

The fourth proportional to 6,658,258.55, 9,188,657.55 and 3,757,750.74 is: 5,185,843.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,658,258.55 : 9,188,657.55 = 3,757,750.74 : x
  2. Step 2: Convert to fraction form
    6,658,258.55/9,188,657.55 = 3,757,750.74/x
  3. Step 3: Cross multiply
    6,658,258.55x = 9,188,657.55 × 3,757,750.74
  4. Step 4: Simplify right side
    6,658,258.55x = 34,528,684,708,119.09
  5. Step 5: Solve for x
    x = 34,528,684,708,119.09/6,658,258.55
  6. Step 6: Final answer
    x = 5,185,843.19

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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.