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Finding the Fourth Proportional to 5,583,345.60, 8,375,018.40 and 2,217,552.60

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Solution

The fourth proportional to 5,583,345.60, 8,375,018.40 and 2,217,552.60 is: 3,326,328.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,583,345.60 : 8,375,018.40 = 2,217,552.60 : x
  2. Step 2: Convert to fraction form
    5,583,345.60/8,375,018.40 = 2,217,552.60/x
  3. Step 3: Cross multiply
    5,583,345.60x = 8,375,018.40 × 2,217,552.60
  4. Step 4: Simplify right side
    5,583,345.60x = 18,572,043,827,967.84
  5. Step 5: Solve for x
    x = 18,572,043,827,967.84/5,583,345.60
  6. Step 6: Final answer
    x = 3,326,328.90

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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.