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Finding the Fourth Proportional to 46,885,982.06, 64,682,044.69 and 28,290,750.30

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Solution

The fourth proportional to 46,885,982.06, 64,682,044.69 and 28,290,750.30 is: 39,028,799.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,885,982.06 : 64,682,044.69 = 28,290,750.30 : x
  2. Step 2: Convert to fraction form
    46,885,982.06/64,682,044.69 = 28,290,750.30/x
  3. Step 3: Cross multiply
    46,885,982.06x = 64,682,044.69 × 28,290,750.30
  4. Step 4: Simplify right side
    46,885,982.06x = 1,829,903,575,218,231
  5. Step 5: Solve for x
    x = 1,829,903,575,218,231/46,885,982.06
  6. Step 6: Final answer
    x = 39,028,799.12

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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.