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Finding the Fourth Proportional to 35,798.08, 49,393.84 and 21,648.16

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Solution

The fourth proportional to 35,798.08, 49,393.84 and 21,648.16 is: 29,869.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,798.08 : 49,393.84 = 21,648.16 : x
  2. Step 2: Convert to fraction form
    35,798.08/49,393.84 = 21,648.16/x
  3. Step 3: Cross multiply
    35,798.08x = 49,393.84 × 21,648.16
  4. Step 4: Simplify right side
    35,798.08x = 1,069,285,751.33
  5. Step 5: Solve for x
    x = 1,069,285,751.33/35,798.08
  6. Step 6: Final answer
    x = 29,869.92

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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.