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Finding the Fourth Proportional to 16,700.76, 25,051.53 and 5,607.81

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Solution

The fourth proportional to 16,700.76, 25,051.53 and 5,607.81 is: 8,411.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,700.76 : 25,051.53 = 5,607.81 : x
  2. Step 2: Convert to fraction form
    16,700.76/25,051.53 = 5,607.81/x
  3. Step 3: Cross multiply
    16,700.76x = 25,051.53 × 5,607.81
  4. Step 4: Simplify right side
    16,700.76x = 140,484,220.45
  5. Step 5: Solve for x
    x = 140,484,220.45/16,700.76
  6. Step 6: Final answer
    x = 8,411.85

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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.