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Finding the Fourth Proportional to 28,587, 39,450.08 and 16,012.04

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Solution

The fourth proportional to 28,587, 39,450.08 and 16,012.04 is: 22,096.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,587 : 39,450.08 = 16,012.04 : x
  2. Step 2: Convert to fraction form
    28,587/39,450.08 = 16,012.04/x
  3. Step 3: Cross multiply
    28,587x = 39,450.08 × 16,012.04
  4. Step 4: Simplify right side
    28,587x = 631,676,258.96
  5. Step 5: Solve for x
    x = 631,676,258.96/28,587
  6. Step 6: Final answer
    x = 22,096.63

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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.