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Finding the Fourth Proportional to 35,885.93, 49,521.72 and 19,970.03

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Solution

The fourth proportional to 35,885.93, 49,521.72 and 19,970.03 is: 27,558.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,885.93 : 49,521.72 = 19,970.03 : x
  2. Step 2: Convert to fraction form
    35,885.93/49,521.72 = 19,970.03/x
  3. Step 3: Cross multiply
    35,885.93x = 49,521.72 × 19,970.03
  4. Step 4: Simplify right side
    35,885.93x = 988,949,986.44
  5. Step 5: Solve for x
    x = 988,949,986.44/35,885.93
  6. Step 6: Final answer
    x = 27,558.16

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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.