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Finding the Fourth Proportional to 9,866,992.95, 14,793,754.05 and 5,256,668.52

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Solution

The fourth proportional to 9,866,992.95, 14,793,754.05 and 5,256,668.52 is: 7,881,414.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,866,992.95 : 14,793,754.05 = 5,256,668.52 : x
  2. Step 2: Convert to fraction form
    9,866,992.95/14,793,754.05 = 5,256,668.52/x
  3. Step 3: Cross multiply
    9,866,992.95x = 14,793,754.05 × 5,256,668.52
  4. Step 4: Simplify right side
    9,866,992.95x = 77,765,861,207,257.50
  5. Step 5: Solve for x
    x = 77,765,861,207,257.50/9,866,992.95
  6. Step 6: Final answer
    x = 7,881,414.49

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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.