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Finding the Fourth Proportional to 3,151.93, 4,695.54 and 3,009.77

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Solution

The fourth proportional to 3,151.93, 4,695.54 and 3,009.77 is: 4,483.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.93 : 4,695.54 = 3,009.77 : x
  2. Step 2: Convert to fraction form
    3,151.93/4,695.54 = 3,009.77/x
  3. Step 3: Cross multiply
    3,151.93x = 4,695.54 × 3,009.77
  4. Step 4: Simplify right side
    3,151.93x = 14,132,495.43
  5. Step 5: Solve for x
    x = 14,132,495.43/3,151.93
  6. Step 6: Final answer
    x = 4,483.76

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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.