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Finding the Fourth Proportional to 53,672.58, 74,064.72 and 29,799.24

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Solution

The fourth proportional to 53,672.58, 74,064.72 and 29,799.24 is: 41,121.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,672.58 : 74,064.72 = 29,799.24 : x
  2. Step 2: Convert to fraction form
    53,672.58/74,064.72 = 29,799.24/x
  3. Step 3: Cross multiply
    53,672.58x = 74,064.72 × 29,799.24
  4. Step 4: Simplify right side
    53,672.58x = 2,207,072,366.81
  5. Step 5: Solve for x
    x = 2,207,072,366.81/53,672.58
  6. Step 6: Final answer
    x = 41,121.04

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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.