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Finding the Fourth Proportional to 18,065,070.91, 24,929,485.04 and 9,804,955.91

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Solution

The fourth proportional to 18,065,070.91, 24,929,485.04 and 9,804,955.91 is: 13,530,669.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,065,070.91 : 24,929,485.04 = 9,804,955.91 : x
  2. Step 2: Convert to fraction form
    18,065,070.91/24,929,485.04 = 9,804,955.91/x
  3. Step 3: Cross multiply
    18,065,070.91x = 24,929,485.04 × 9,804,955.91
  4. Step 4: Simplify right side
    18,065,070.91x = 244,432,501,763,040.69
  5. Step 5: Solve for x
    x = 244,432,501,763,040.69/18,065,070.91
  6. Step 6: Final answer
    x = 13,530,669.38

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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.