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Finding the Fourth Proportional to 8,497,953.88, 11,713,897.02 and 5,776,975.96

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Solution

The fourth proportional to 8,497,953.88, 11,713,897.02 and 5,776,975.96 is: 7,963,199.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,497,953.88 : 11,713,897.02 = 5,776,975.96 : x
  2. Step 2: Convert to fraction form
    8,497,953.88/11,713,897.02 = 5,776,975.96/x
  3. Step 3: Cross multiply
    8,497,953.88x = 11,713,897.02 × 5,776,975.96
  4. Step 4: Simplify right side
    8,497,953.88x = 67,670,901,482,455.63
  5. Step 5: Solve for x
    x = 67,670,901,482,455.63/8,497,953.88
  6. Step 6: Final answer
    x = 7,963,199.43

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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.