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Finding the Fourth Proportional to 4,658.16, 6,985.36 and 1,884.32

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Solution

The fourth proportional to 4,658.16, 6,985.36 and 1,884.32 is: 2,825.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658.16 : 6,985.36 = 1,884.32 : x
  2. Step 2: Convert to fraction form
    4,658.16/6,985.36 = 1,884.32/x
  3. Step 3: Cross multiply
    4,658.16x = 6,985.36 × 1,884.32
  4. Step 4: Simplify right side
    4,658.16x = 13,162,653.56
  5. Step 5: Solve for x
    x = 13,162,653.56/4,658.16
  6. Step 6: Final answer
    x = 2,825.72

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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.