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Finding the Fourth Proportional to 7,205,243.84, 9,941,609.76 and 4,304,068.32

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Solution

The fourth proportional to 7,205,243.84, 9,941,609.76 and 4,304,068.32 is: 5,938,642.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,205,243.84 : 9,941,609.76 = 4,304,068.32 : x
  2. Step 2: Convert to fraction form
    7,205,243.84/9,941,609.76 = 4,304,068.32/x
  3. Step 3: Cross multiply
    7,205,243.84x = 9,941,609.76 × 4,304,068.32
  4. Step 4: Simplify right side
    7,205,243.84x = 42,789,367,617,818.80
  5. Step 5: Solve for x
    x = 42,789,367,617,818.80/7,205,243.84
  6. Step 6: Final answer
    x = 5,938,642.55

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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.