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Finding the Fourth Proportional to 32,884,696.76, 45,380,978.62 and 18,201,382.88

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Solution

The fourth proportional to 32,884,696.76, 45,380,978.62 and 18,201,382.88 is: 25,117,962.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,884,696.76 : 45,380,978.62 = 18,201,382.88 : x
  2. Step 2: Convert to fraction form
    32,884,696.76/45,380,978.62 = 18,201,382.88/x
  3. Step 3: Cross multiply
    32,884,696.76x = 45,380,978.62 × 18,201,382.88
  4. Step 4: Simplify right side
    32,884,696.76x = 825,996,567,331,713.88
  5. Step 5: Solve for x
    x = 825,996,567,331,713.88/32,884,696.76
  6. Step 6: Final answer
    x = 25,117,962.11

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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.