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Finding the Fourth Proportional to 9,605,842.02, 13,256,166.62 and 5,254,834.90

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Solution

The fourth proportional to 9,605,842.02, 13,256,166.62 and 5,254,834.90 is: 7,251,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,605,842.02 : 13,256,166.62 = 5,254,834.90 : x
  2. Step 2: Convert to fraction form
    9,605,842.02/13,256,166.62 = 5,254,834.90/x
  3. Step 3: Cross multiply
    9,605,842.02x = 13,256,166.62 × 5,254,834.90
  4. Step 4: Simplify right side
    9,605,842.02x = 69,658,966,994,991.04
  5. Step 5: Solve for x
    x = 69,658,966,994,991.04/9,605,842.02
  6. Step 6: Final answer
    x = 7,251,729.40

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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.