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Finding the Fourth Proportional to 33,854.64, 46,719.28 and 18,950.64

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Solution

The fourth proportional to 33,854.64, 46,719.28 and 18,950.64 is: 26,151.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,854.64 : 46,719.28 = 18,950.64 : x
  2. Step 2: Convert to fraction form
    33,854.64/46,719.28 = 18,950.64/x
  3. Step 3: Cross multiply
    33,854.64x = 46,719.28 × 18,950.64
  4. Step 4: Simplify right side
    33,854.64x = 885,360,256.34
  5. Step 5: Solve for x
    x = 885,360,256.34/33,854.64
  6. Step 6: Final answer
    x = 26,151.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.