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Finding the Fourth Proportional to 4,697.02, 7,080.80 and 4,379.94

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Solution

The fourth proportional to 4,697.02, 7,080.80 and 4,379.94 is: 6,602.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,697.02 : 7,080.80 = 4,379.94 : x
  2. Step 2: Convert to fraction form
    4,697.02/7,080.80 = 4,379.94/x
  3. Step 3: Cross multiply
    4,697.02x = 7,080.80 × 4,379.94
  4. Step 4: Simplify right side
    4,697.02x = 31,013,457.25
  5. Step 5: Solve for x
    x = 31,013,457.25/4,697.02
  6. Step 6: Final answer
    x = 6,602.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.