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Finding the Fourth Proportional to 28,852.78, 39,818.04 and 16,277.50

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Solution

The fourth proportional to 28,852.78, 39,818.04 and 16,277.50 is: 22,463.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,852.78 : 39,818.04 = 16,277.50 : x
  2. Step 2: Convert to fraction form
    28,852.78/39,818.04 = 16,277.50/x
  3. Step 3: Cross multiply
    28,852.78x = 39,818.04 × 16,277.50
  4. Step 4: Simplify right side
    28,852.78x = 648,138,146.10
  5. Step 5: Solve for x
    x = 648,138,146.10/28,852.78
  6. Step 6: Final answer
    x = 22,463.63

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1.5x scale

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.