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Finding the Fourth Proportional to 4,680,751.80, 6,571,948.20 and 4,680,751.80

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Solution

The fourth proportional to 4,680,751.80, 6,571,948.20 and 4,680,751.80 is: 6,571,948.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680,751.80 : 6,571,948.20 = 4,680,751.80 : x
  2. Step 2: Convert to fraction form
    4,680,751.80/6,571,948.20 = 4,680,751.80/x
  3. Step 3: Cross multiply
    4,680,751.80x = 6,571,948.20 × 4,680,751.80
  4. Step 4: Simplify right side
    4,680,751.80x = 30,761,658,366,656.76
  5. Step 5: Solve for x
    x = 30,761,658,366,656.76/4,680,751.80
  6. Step 6: Final answer
    x = 6,571,948.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.