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Finding the Fourth Proportional to 6,656,688.15, 9,985,601.48 and 2,338,361.00

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Solution

The fourth proportional to 6,656,688.15, 9,985,601.48 and 2,338,361.00 is: 3,507,741.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656,688.15 : 9,985,601.48 = 2,338,361.00 : x
  2. Step 2: Convert to fraction form
    6,656,688.15/9,985,601.48 = 2,338,361.00/x
  3. Step 3: Cross multiply
    6,656,688.15x = 9,985,601.48 × 2,338,361.00
  4. Step 4: Simplify right side
    6,656,688.15x = 23,349,941,000,754.47
  5. Step 5: Solve for x
    x = 23,349,941,000,754.47/6,656,688.15
  6. Step 6: Final answer
    x = 3,507,741.46

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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.