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Finding the Fourth Proportional to 21,695.74, 32,544.54 and 6,903.16

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Solution

The fourth proportional to 21,695.74, 32,544.54 and 6,903.16 is: 10,355.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,695.74 : 32,544.54 = 6,903.16 : x
  2. Step 2: Convert to fraction form
    21,695.74/32,544.54 = 6,903.16/x
  3. Step 3: Cross multiply
    21,695.74x = 32,544.54 × 6,903.16
  4. Step 4: Simplify right side
    21,695.74x = 224,660,166.75
  5. Step 5: Solve for x
    x = 224,660,166.75/21,695.74
  6. Step 6: Final answer
    x = 10,355.04

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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.