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Finding the Fourth Proportional to 5,291,468.16, 7,932,070.08 and 2,095,532.16

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Solution

The fourth proportional to 5,291,468.16, 7,932,070.08 and 2,095,532.16 is: 3,141,265.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291,468.16 : 7,932,070.08 = 2,095,532.16 : x
  2. Step 2: Convert to fraction form
    5,291,468.16/7,932,070.08 = 2,095,532.16/x
  3. Step 3: Cross multiply
    5,291,468.16x = 7,932,070.08 × 2,095,532.16
  4. Step 4: Simplify right side
    5,291,468.16x = 16,621,907,948,013.77
  5. Step 5: Solve for x
    x = 16,621,907,948,013.77/5,291,468.16
  6. Step 6: Final answer
    x = 3,141,265.80

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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.