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Finding the Fourth Proportional to 4,818, 6,608.86 and 4,776.40

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Solution

The fourth proportional to 4,818, 6,608.86 and 4,776.40 is: 6,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818 : 6,608.86 = 4,776.40 : x
  2. Step 2: Convert to fraction form
    4,818/6,608.86 = 4,776.40/x
  3. Step 3: Cross multiply
    4,818x = 6,608.86 × 4,776.40
  4. Step 4: Simplify right side
    4,818x = 31,566,558.90
  5. Step 5: Solve for x
    x = 31,566,558.90/4,818
  6. Step 6: Final answer
    x = 6,551.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.