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Finding the Fourth Proportional to 52,752.48, 72,800.16 and 28,879.08

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Solution

The fourth proportional to 52,752.48, 72,800.16 and 28,879.08 is: 39,854.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,752.48 : 72,800.16 = 28,879.08 : x
  2. Step 2: Convert to fraction form
    52,752.48/72,800.16 = 28,879.08/x
  3. Step 3: Cross multiply
    52,752.48x = 72,800.16 × 28,879.08
  4. Step 4: Simplify right side
    52,752.48x = 2,102,401,644.65
  5. Step 5: Solve for x
    x = 2,102,401,644.65/52,752.48
  6. Step 6: Final answer
    x = 39,854.08

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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.