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Finding the Fourth Proportional to 6,514,894.28, 8,986,818.80 and 4,063,248.98

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Solution

The fourth proportional to 6,514,894.28, 8,986,818.80 and 4,063,248.98 is: 5,604,953.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,514,894.28 : 8,986,818.80 = 4,063,248.98 : x
  2. Step 2: Convert to fraction form
    6,514,894.28/8,986,818.80 = 4,063,248.98/x
  3. Step 3: Cross multiply
    6,514,894.28x = 8,986,818.80 × 4,063,248.98
  4. Step 4: Simplify right side
    6,514,894.28x = 36,515,682,322,544.83
  5. Step 5: Solve for x
    x = 36,515,682,322,544.83/6,514,894.28
  6. Step 6: Final answer
    x = 5,604,953.93

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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.