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Finding the Fourth Proportional to 3,166.86, 4,750.20 and 975.54

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Solution

The fourth proportional to 3,166.86, 4,750.20 and 975.54 is: 1,463.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.86 : 4,750.20 = 975.54 : x
  2. Step 2: Convert to fraction form
    3,166.86/4,750.20 = 975.54/x
  3. Step 3: Cross multiply
    3,166.86x = 4,750.20 × 975.54
  4. Step 4: Simplify right side
    3,166.86x = 4,634,010.11
  5. Step 5: Solve for x
    x = 4,634,010.11/3,166.86
  6. Step 6: Final answer
    x = 1,463.28

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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.