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Finding the Fourth Proportional to 6,627,232.80, 9,926,852.40 and 6,627,232.80

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Solution

The fourth proportional to 6,627,232.80, 9,926,852.40 and 6,627,232.80 is: 9,926,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627,232.80 : 9,926,852.40 = 6,627,232.80 : x
  2. Step 2: Convert to fraction form
    6,627,232.80/9,926,852.40 = 6,627,232.80/x
  3. Step 3: Cross multiply
    6,627,232.80x = 9,926,852.40 × 6,627,232.80
  4. Step 4: Simplify right side
    6,627,232.80x = 65,787,561,826,038.72
  5. Step 5: Solve for x
    x = 65,787,561,826,038.72/6,627,232.80
  6. Step 6: Final answer
    x = 9,926,852.40

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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.