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Finding the Fourth Proportional to 3,584,947.65, 4,947,165.50 and 1,953,368.43

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Solution

The fourth proportional to 3,584,947.65, 4,947,165.50 and 1,953,368.43 is: 2,695,614.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,584,947.65 : 4,947,165.50 = 1,953,368.43 : x
  2. Step 2: Convert to fraction form
    3,584,947.65/4,947,165.50 = 1,953,368.43/x
  3. Step 3: Cross multiply
    3,584,947.65x = 4,947,165.50 × 1,953,368.43
  4. Step 4: Simplify right side
    3,584,947.65x = 9,663,636,895,918.32
  5. Step 5: Solve for x
    x = 9,663,636,895,918.32/3,584,947.65
  6. Step 6: Final answer
    x = 2,695,614.51

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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.