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Finding the Fourth Proportional to 18,564,804.88, 25,621,051.88 and 10,832,338.32

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Solution

The fourth proportional to 18,564,804.88, 25,621,051.88 and 10,832,338.32 is: 14,949,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,564,804.88 : 25,621,051.88 = 10,832,338.32 : x
  2. Step 2: Convert to fraction form
    18,564,804.88/25,621,051.88 = 10,832,338.32/x
  3. Step 3: Cross multiply
    18,564,804.88x = 25,621,051.88 × 10,832,338.32
  4. Step 4: Simplify right side
    18,564,804.88x = 277,535,902,078,432.03
  5. Step 5: Solve for x
    x = 277,535,902,078,432.03/18,564,804.88
  6. Step 6: Final answer
    x = 14,949,572.80

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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.