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Finding the Fourth Proportional to 9,075,200.15, 12,714,728.05 and 9,075,200.15

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Solution

The fourth proportional to 9,075,200.15, 12,714,728.05 and 9,075,200.15 is: 12,714,728.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,075,200.15 : 12,714,728.05 = 9,075,200.15 : x
  2. Step 2: Convert to fraction form
    9,075,200.15/12,714,728.05 = 9,075,200.15/x
  3. Step 3: Cross multiply
    9,075,200.15x = 12,714,728.05 × 9,075,200.15
  4. Step 4: Simplify right side
    9,075,200.15x = 115,388,701,906,569.22
  5. Step 5: Solve for x
    x = 115,388,701,906,569.22/9,075,200.15
  6. Step 6: Final answer
    x = 12,714,728.05

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1.5x scale

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.