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Finding the Fourth Proportional to 56,788,642.04, 78,366,469.02 and 35,891,889.84

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Solution

The fourth proportional to 56,788,642.04, 78,366,469.02 and 35,891,889.84 is: 49,529,634.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,788,642.04 : 78,366,469.02 = 35,891,889.84 : x
  2. Step 2: Convert to fraction form
    56,788,642.04/78,366,469.02 = 35,891,889.84/x
  3. Step 3: Cross multiply
    56,788,642.04x = 78,366,469.02 × 35,891,889.84
  4. Step 4: Simplify right side
    56,788,642.04x = 2,812,720,673,215,613
  5. Step 5: Solve for x
    x = 2,812,720,673,215,613/56,788,642.04
  6. Step 6: Final answer
    x = 49,529,634.31

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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.