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Finding the Fourth Proportional to 44,762.50, 61,761.07 and 28,827.77

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Solution

The fourth proportional to 44,762.50, 61,761.07 and 28,827.77 is: 39,775.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,762.50 : 61,761.07 = 28,827.77 : x
  2. Step 2: Convert to fraction form
    44,762.50/61,761.07 = 28,827.77/x
  3. Step 3: Cross multiply
    44,762.50x = 61,761.07 × 28,827.77
  4. Step 4: Simplify right side
    44,762.50x = 1,780,434,128.71
  5. Step 5: Solve for x
    x = 1,780,434,128.71/44,762.50
  6. Step 6: Final answer
    x = 39,775.13

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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.