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Finding the Fourth Proportional to 28,081,929.20, 42,122,893.80 and 24,893,283.20

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Solution

The fourth proportional to 28,081,929.20, 42,122,893.80 and 24,893,283.20 is: 37,339,924.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,081,929.20 : 42,122,893.80 = 24,893,283.20 : x
  2. Step 2: Convert to fraction form
    28,081,929.20/42,122,893.80 = 24,893,283.20/x
  3. Step 3: Cross multiply
    28,081,929.20x = 42,122,893.80 × 24,893,283.20
  4. Step 4: Simplify right side
    28,081,929.20x = 1,048,577,124,566,924
  5. Step 5: Solve for x
    x = 1,048,577,124,566,924/28,081,929.20
  6. Step 6: Final answer
    x = 37,339,924.80

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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.