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Finding the Fourth Proportional to 53,671.40, 74,068.44 and 29,798.44

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Solution

The fourth proportional to 53,671.40, 74,068.44 and 29,798.44 is: 41,122.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,671.40 : 74,068.44 = 29,798.44 : x
  2. Step 2: Convert to fraction form
    53,671.40/74,068.44 = 29,798.44/x
  3. Step 3: Cross multiply
    53,671.40x = 74,068.44 × 29,798.44
  4. Step 4: Simplify right side
    53,671.40x = 2,207,123,965.23
  5. Step 5: Solve for x
    x = 2,207,123,965.23/53,671.40
  6. Step 6: Final answer
    x = 41,122.91

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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.