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Finding the Fourth Proportional to 5,663.76, 8,457.46 and 4,625.80

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Solution

The fourth proportional to 5,663.76, 8,457.46 and 4,625.80 is: 6,907.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,663.76 : 8,457.46 = 4,625.80 : x
  2. Step 2: Convert to fraction form
    5,663.76/8,457.46 = 4,625.80/x
  3. Step 3: Cross multiply
    5,663.76x = 8,457.46 × 4,625.80
  4. Step 4: Simplify right side
    5,663.76x = 39,122,518.47
  5. Step 5: Solve for x
    x = 39,122,518.47/5,663.76
  6. Step 6: Final answer
    x = 6,907.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.