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Finding the Fourth Proportional to 3,585,841.92, 4,948,376.64 and 1,954,300.80

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Solution

The fourth proportional to 3,585,841.92, 4,948,376.64 and 1,954,300.80 is: 2,696,888.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585,841.92 : 4,948,376.64 = 1,954,300.80 : x
  2. Step 2: Convert to fraction form
    3,585,841.92/4,948,376.64 = 1,954,300.80/x
  3. Step 3: Cross multiply
    3,585,841.92x = 4,948,376.64 × 1,954,300.80
  4. Step 4: Simplify right side
    3,585,841.92x = 9,670,616,426,253.31
  5. Step 5: Solve for x
    x = 9,670,616,426,253.31/3,585,841.92
  6. Step 6: Final answer
    x = 2,696,888.66

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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.