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Finding the Fourth Proportional to 5,610,987.72, 7,743,159.72 and 3,032,668.62

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Solution

The fourth proportional to 5,610,987.72, 7,743,159.72 and 3,032,668.62 is: 4,185,080.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,610,987.72 : 7,743,159.72 = 3,032,668.62 : x
  2. Step 2: Convert to fraction form
    5,610,987.72/7,743,159.72 = 3,032,668.62/x
  3. Step 3: Cross multiply
    5,610,987.72x = 7,743,159.72 × 3,032,668.62
  4. Step 4: Simplify right side
    5,610,987.72x = 23,482,437,502,491.99
  5. Step 5: Solve for x
    x = 23,482,437,502,491.99/5,610,987.72
  6. Step 6: Final answer
    x = 4,185,080.89

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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.