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Finding the Fourth Proportional to 4,804,355.72, 6,629,813.30 and 2,871,681.95

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Solution

The fourth proportional to 4,804,355.72, 6,629,813.30 and 2,871,681.95 is: 3,962,802.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,804,355.72 : 6,629,813.30 = 2,871,681.95 : x
  2. Step 2: Convert to fraction form
    4,804,355.72/6,629,813.30 = 2,871,681.95/x
  3. Step 3: Cross multiply
    4,804,355.72x = 6,629,813.30 × 2,871,681.95
  4. Step 4: Simplify right side
    4,804,355.72x = 19,038,715,137,972.46
  5. Step 5: Solve for x
    x = 19,038,715,137,972.46/4,804,355.72
  6. Step 6: Final answer
    x = 3,962,802.98

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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.