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Finding the Fourth Proportional to 9,075,200.65, 12,714,728.75 and 9,075,200.65

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Solution

The fourth proportional to 9,075,200.65, 12,714,728.75 and 9,075,200.65 is: 12,714,728.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,075,200.65 : 12,714,728.75 = 9,075,200.65 : x
  2. Step 2: Convert to fraction form
    9,075,200.65/12,714,728.75 = 9,075,200.65/x
  3. Step 3: Cross multiply
    9,075,200.65x = 12,714,728.75 × 9,075,200.65
  4. Step 4: Simplify right side
    9,075,200.65x = 115,388,714,616,573.69
  5. Step 5: Solve for x
    x = 115,388,714,616,573.69/9,075,200.65
  6. Step 6: Final answer
    x = 12,714,728.75

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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.