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Finding the Fourth Proportional to 6,688,862.20, 10,033,293.30 and 6,688,862.20

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Solution

The fourth proportional to 6,688,862.20, 10,033,293.30 and 6,688,862.20 is: 10,033,293.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688,862.20 : 10,033,293.30 = 6,688,862.20 : x
  2. Step 2: Convert to fraction form
    6,688,862.20/10,033,293.30 = 6,688,862.20/x
  3. Step 3: Cross multiply
    6,688,862.20x = 10,033,293.30 × 6,688,862.20
  4. Step 4: Simplify right side
    6,688,862.20x = 67,111,316,295,883.27
  5. Step 5: Solve for x
    x = 67,111,316,295,883.27/6,688,862.20
  6. Step 6: Final answer
    x = 10,033,293.30

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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.