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Finding the Fourth Proportional to 5,764,686.77, 7,955,428.47 and 3,186,533.32

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Solution

The fourth proportional to 5,764,686.77, 7,955,428.47 and 3,186,533.32 is: 4,397,504.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,764,686.77 : 7,955,428.47 = 3,186,533.32 : x
  2. Step 2: Convert to fraction form
    5,764,686.77/7,955,428.47 = 3,186,533.32/x
  3. Step 3: Cross multiply
    5,764,686.77x = 7,955,428.47 × 3,186,533.32
  4. Step 4: Simplify right side
    5,764,686.77x = 25,350,237,862,693.55
  5. Step 5: Solve for x
    x = 25,350,237,862,693.55/5,764,686.77
  6. Step 6: Final answer
    x = 4,397,504.82

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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.