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Finding the Fourth Proportional to 6,651,880.15, 9,977,820.23 and 6,588,894.55

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Solution

The fourth proportional to 6,651,880.15, 9,977,820.23 and 6,588,894.55 is: 9,883,341.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,651,880.15 : 9,977,820.23 = 6,588,894.55 : x
  2. Step 2: Convert to fraction form
    6,651,880.15/9,977,820.23 = 6,588,894.55/x
  3. Step 3: Cross multiply
    6,651,880.15x = 9,977,820.23 × 6,588,894.55
  4. Step 4: Simplify right side
    6,651,880.15x = 65,742,805,301,382.27
  5. Step 5: Solve for x
    x = 65,742,805,301,382.27/6,651,880.15
  6. Step 6: Final answer
    x = 9,883,341.83

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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.