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Finding the Fourth Proportional to 5,308,962.94, 7,326,990.84 and 3,017,468.08

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Solution

The fourth proportional to 5,308,962.94, 7,326,990.84 and 3,017,468.08 is: 4,164,459.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308,962.94 : 7,326,990.84 = 3,017,468.08 : x
  2. Step 2: Convert to fraction form
    5,308,962.94/7,326,990.84 = 3,017,468.08/x
  3. Step 3: Cross multiply
    5,308,962.94x = 7,326,990.84 × 3,017,468.08
  4. Step 4: Simplify right side
    5,308,962.94x = 22,108,960,982,152.39
  5. Step 5: Solve for x
    x = 22,108,960,982,152.39/5,308,962.94
  6. Step 6: Final answer
    x = 4,164,459.47

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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.