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Finding the Fourth Proportional to 6,368,662.06, 8,788,666.66 and 3,615,325.45

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Solution

The fourth proportional to 6,368,662.06, 8,788,666.66 and 3,615,325.45 is: 4,989,099.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,368,662.06 : 8,788,666.66 = 3,615,325.45 : x
  2. Step 2: Convert to fraction form
    6,368,662.06/8,788,666.66 = 3,615,325.45/x
  3. Step 3: Cross multiply
    6,368,662.06x = 8,788,666.66 × 3,615,325.45
  4. Step 4: Simplify right side
    6,368,662.06x = 31,773,890,216,454.52
  5. Step 5: Solve for x
    x = 31,773,890,216,454.52/6,368,662.06
  6. Step 6: Final answer
    x = 4,989,099.74

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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.