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Finding the Fourth Proportional to 5,705,643.94, 8,558,964.06 and 1,445,812.32

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Solution

The fourth proportional to 5,705,643.94, 8,558,964.06 and 1,445,812.32 is: 2,168,844.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705,643.94 : 8,558,964.06 = 1,445,812.32 : x
  2. Step 2: Convert to fraction form
    5,705,643.94/8,558,964.06 = 1,445,812.32/x
  3. Step 3: Cross multiply
    5,705,643.94x = 8,558,964.06 × 1,445,812.32
  4. Step 4: Simplify right side
    5,705,643.94x = 12,374,655,711,059.54
  5. Step 5: Solve for x
    x = 12,374,655,711,059.54/5,705,643.94
  6. Step 6: Final answer
    x = 2,168,844.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.