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Finding the Fourth Proportional to 9,174,868.03, 12,642,661.51 and 7,097,267.22

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Solution

The fourth proportional to 9,174,868.03, 12,642,661.51 and 7,097,267.22 is: 9,779,797.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,174,868.03 : 12,642,661.51 = 7,097,267.22 : x
  2. Step 2: Convert to fraction form
    9,174,868.03/12,642,661.51 = 7,097,267.22/x
  3. Step 3: Cross multiply
    9,174,868.03x = 12,642,661.51 × 7,097,267.22
  4. Step 4: Simplify right side
    9,174,868.03x = 89,728,347,108,478.70
  5. Step 5: Solve for x
    x = 89,728,347,108,478.70/9,174,868.03
  6. Step 6: Final answer
    x = 9,779,797.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.