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Finding the Fourth Proportional to 9,069,488.40, 13,618,978.20 and 6,562,736.40

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Solution

The fourth proportional to 9,069,488.40, 13,618,978.20 and 6,562,736.40 is: 9,854,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,069,488.40 : 13,618,978.20 = 6,562,736.40 : x
  2. Step 2: Convert to fraction form
    9,069,488.40/13,618,978.20 = 6,562,736.40/x
  3. Step 3: Cross multiply
    9,069,488.40x = 13,618,978.20 × 6,562,736.40
  4. Step 4: Simplify right side
    9,069,488.40x = 89,377,763,963,946.48
  5. Step 5: Solve for x
    x = 89,377,763,963,946.48/9,069,488.40
  6. Step 6: Final answer
    x = 9,854,774.60

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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.