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Finding the Fourth Proportional to 11,586,601, 15,989,509.38 and 7,064,617

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Solution

The fourth proportional to 11,586,601, 15,989,509.38 and 7,064,617 is: 9,749,171.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,586,601 : 15,989,509.38 = 7,064,617 : x
  2. Step 2: Convert to fraction form
    11,586,601/15,989,509.38 = 7,064,617/x
  3. Step 3: Cross multiply
    11,586,601x = 15,989,509.38 × 7,064,617
  4. Step 4: Simplify right side
    11,586,601x = 112,959,759,787,607.47
  5. Step 5: Solve for x
    x = 112,959,759,787,607.47/11,586,601
  6. Step 6: Final answer
    x = 9,749,171.46

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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.