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Finding the Fourth Proportional to 14,302.75, 19,737.80 and 8,017.15

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Solution

The fourth proportional to 14,302.75, 19,737.80 and 8,017.15 is: 11,063.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,302.75 : 19,737.80 = 8,017.15 : x
  2. Step 2: Convert to fraction form
    14,302.75/19,737.80 = 8,017.15/x
  3. Step 3: Cross multiply
    14,302.75x = 19,737.80 × 8,017.15
  4. Step 4: Simplify right side
    14,302.75x = 158,240,903.27
  5. Step 5: Solve for x
    x = 158,240,903.27/14,302.75
  6. Step 6: Final answer
    x = 11,063.67

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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.