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Finding the Fourth Proportional to 46,643,996.40, 69,944,999.40 and 17,880,572.40

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Solution

The fourth proportional to 46,643,996.40, 69,944,999.40 and 17,880,572.40 is: 26,812,810.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,643,996.40 : 69,944,999.40 = 17,880,572.40 : x
  2. Step 2: Convert to fraction form
    46,643,996.40/69,944,999.40 = 17,880,572.40/x
  3. Step 3: Cross multiply
    46,643,996.40x = 69,944,999.40 × 17,880,572.40
  4. Step 4: Simplify right side
    46,643,996.40x = 1,250,656,625,789,656.50
  5. Step 5: Solve for x
    x = 1,250,656,625,789,656.50/46,643,996.40
  6. Step 6: Final answer
    x = 26,812,810.27

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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.