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Finding the Fourth Proportional to 6,656,804.92, 9,985,775.32 and 2,338,477.76

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Solution

The fourth proportional to 6,656,804.92, 9,985,775.32 and 2,338,477.76 is: 3,507,916.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656,804.92 : 9,985,775.32 = 2,338,477.76 : x
  2. Step 2: Convert to fraction form
    6,656,804.92/9,985,775.32 = 2,338,477.76/x
  3. Step 3: Cross multiply
    6,656,804.92x = 9,985,775.32 × 2,338,477.76
  4. Step 4: Simplify right side
    6,656,804.92x = 23,351,513,502,176.88
  5. Step 5: Solve for x
    x = 23,351,513,502,176.88/6,656,804.92
  6. Step 6: Final answer
    x = 3,507,916.15

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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.