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Finding the Fourth Proportional to 5,482.58, 8,216.58 and 4,748.72

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Solution

The fourth proportional to 5,482.58, 8,216.58 and 4,748.72 is: 7,116.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,482.58 : 8,216.58 = 4,748.72 : x
  2. Step 2: Convert to fraction form
    5,482.58/8,216.58 = 4,748.72/x
  3. Step 3: Cross multiply
    5,482.58x = 8,216.58 × 4,748.72
  4. Step 4: Simplify right side
    5,482.58x = 39,018,237.78
  5. Step 5: Solve for x
    x = 39,018,237.78/5,482.58
  6. Step 6: Final answer
    x = 7,116.77

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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.