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Finding the Fourth Proportional to 5,733,398.48, 7,911,891.56 and 3,154,838.16

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Solution

The fourth proportional to 5,733,398.48, 7,911,891.56 and 3,154,838.16 is: 4,353,567.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,733,398.48 : 7,911,891.56 = 3,154,838.16 : x
  2. Step 2: Convert to fraction form
    5,733,398.48/7,911,891.56 = 3,154,838.16/x
  3. Step 3: Cross multiply
    5,733,398.48x = 7,911,891.56 × 3,154,838.16
  4. Step 4: Simplify right side
    5,733,398.48x = 24,960,737,411,269.93
  5. Step 5: Solve for x
    x = 24,960,737,411,269.93/5,733,398.48
  6. Step 6: Final answer
    x = 4,353,567.52

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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.