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Finding the Fourth Proportional to 28,992,746.52, 43,489,381.71 and 8,797,988.52

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Solution

The fourth proportional to 28,992,746.52, 43,489,381.71 and 8,797,988.52 is: 13,197,062.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,992,746.52 : 43,489,381.71 = 8,797,988.52 : x
  2. Step 2: Convert to fraction form
    28,992,746.52/43,489,381.71 = 8,797,988.52/x
  3. Step 3: Cross multiply
    28,992,746.52x = 43,489,381.71 × 8,797,988.52
  4. Step 4: Simplify right side
    28,992,746.52x = 382,619,081,026,477.94
  5. Step 5: Solve for x
    x = 382,619,081,026,477.94/28,992,746.52
  6. Step 6: Final answer
    x = 13,197,062.26

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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.