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Finding the Fourth Proportional to 52,752.03, 72,799.08 and 28,878.63

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Solution

The fourth proportional to 52,752.03, 72,799.08 and 28,878.63 is: 39,853.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,752.03 : 72,799.08 = 28,878.63 : x
  2. Step 2: Convert to fraction form
    52,752.03/72,799.08 = 28,878.63/x
  3. Step 3: Cross multiply
    52,752.03x = 72,799.08 × 28,878.63
  4. Step 4: Simplify right side
    52,752.03x = 2,102,337,695.66
  5. Step 5: Solve for x
    x = 2,102,337,695.66/52,752.03
  6. Step 6: Final answer
    x = 39,853.21

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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.