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Finding the Fourth Proportional to 7,169,810.64, 10,755,784.55 and 2,558,437.44

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Solution

The fourth proportional to 7,169,810.64, 10,755,784.55 and 2,558,437.44 is: 3,838,037.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169,810.64 : 10,755,784.55 = 2,558,437.44 : x
  2. Step 2: Convert to fraction form
    7,169,810.64/10,755,784.55 = 2,558,437.44/x
  3. Step 3: Cross multiply
    7,169,810.64x = 10,755,784.55 × 2,558,437.44
  4. Step 4: Simplify right side
    7,169,810.64x = 27,518,001,895,689.64
  5. Step 5: Solve for x
    x = 27,518,001,895,689.64/7,169,810.64
  6. Step 6: Final answer
    x = 3,838,037.47

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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.