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Finding the Fourth Proportional to 5,326,957.02, 7,990,668.81 and 1,540,822.62

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Solution

The fourth proportional to 5,326,957.02, 7,990,668.81 and 1,540,822.62 is: 2,311,301.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326,957.02 : 7,990,668.81 = 1,540,822.62 : x
  2. Step 2: Convert to fraction form
    5,326,957.02/7,990,668.81 = 1,540,822.62/x
  3. Step 3: Cross multiply
    5,326,957.02x = 7,990,668.81 × 1,540,822.62
  4. Step 4: Simplify right side
    5,326,957.02x = 12,312,203,251,376.48
  5. Step 5: Solve for x
    x = 12,312,203,251,376.48/5,326,957.02
  6. Step 6: Final answer
    x = 2,311,301.41

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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.