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Finding the Fourth Proportional to 5,938,807.20, 8,908,502.40 and 3,104,455.20

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Solution

The fourth proportional to 5,938,807.20, 8,908,502.40 and 3,104,455.20 is: 4,656,835.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938,807.20 : 8,908,502.40 = 3,104,455.20 : x
  2. Step 2: Convert to fraction form
    5,938,807.20/8,908,502.40 = 3,104,455.20/x
  3. Step 3: Cross multiply
    5,938,807.20x = 8,908,502.40 × 3,104,455.20
  4. Step 4: Simplify right side
    5,938,807.20x = 27,656,046,599,892.48
  5. Step 5: Solve for x
    x = 27,656,046,599,892.48/5,938,807.20
  6. Step 6: Final answer
    x = 4,656,835.23

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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.