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Finding the Fourth Proportional to 16,655.64, 24,984.54 and 4,970.04

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Solution

The fourth proportional to 16,655.64, 24,984.54 and 4,970.04 is: 7,455.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,655.64 : 24,984.54 = 4,970.04 : x
  2. Step 2: Convert to fraction form
    16,655.64/24,984.54 = 4,970.04/x
  3. Step 3: Cross multiply
    16,655.64x = 24,984.54 × 4,970.04
  4. Step 4: Simplify right side
    16,655.64x = 124,174,163.18
  5. Step 5: Solve for x
    x = 124,174,163.18/16,655.64
  6. Step 6: Final answer
    x = 7,455.38

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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.