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Finding the Fourth Proportional to 28,361.33, 42,542.01 and 11,703.06

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Solution

The fourth proportional to 28,361.33, 42,542.01 and 11,703.06 is: 17,554.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,361.33 : 42,542.01 = 11,703.06 : x
  2. Step 2: Convert to fraction form
    28,361.33/42,542.01 = 11,703.06/x
  3. Step 3: Cross multiply
    28,361.33x = 42,542.01 × 11,703.06
  4. Step 4: Simplify right side
    28,361.33x = 497,871,695.55
  5. Step 5: Solve for x
    x = 497,871,695.55/28,361.33
  6. Step 6: Final answer
    x = 17,554.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.