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Finding the Fourth Proportional to 35,703, 49,270.14 and 21,559.32

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Solution

The fourth proportional to 35,703, 49,270.14 and 21,559.32 is: 29,751.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,703 : 49,270.14 = 21,559.32 : x
  2. Step 2: Convert to fraction form
    35,703/49,270.14 = 21,559.32/x
  3. Step 3: Cross multiply
    35,703x = 49,270.14 × 21,559.32
  4. Step 4: Simplify right side
    35,703x = 1,062,230,714.70
  5. Step 5: Solve for x
    x = 1,062,230,714.70/35,703
  6. Step 6: Final answer
    x = 29,751.86

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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.