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Finding the Fourth Proportional to 16,700.05, 25,050.07 and 4,220.11

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Solution

The fourth proportional to 16,700.05, 25,050.07 and 4,220.11 is: 6,330.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,700.05 : 25,050.07 = 4,220.11 : x
  2. Step 2: Convert to fraction form
    16,700.05/25,050.07 = 4,220.11/x
  3. Step 3: Cross multiply
    16,700.05x = 25,050.07 × 4,220.11
  4. Step 4: Simplify right side
    16,700.05x = 105,714,050.91
  5. Step 5: Solve for x
    x = 105,714,050.91/16,700.05
  6. Step 6: Final answer
    x = 6,330.16

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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.