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Finding the Fourth Proportional to 54,160.57, 74,748.54 and 30,288.58

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Solution

The fourth proportional to 54,160.57, 74,748.54 and 30,288.58 is: 41,802.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,160.57 : 74,748.54 = 30,288.58 : x
  2. Step 2: Convert to fraction form
    54,160.57/74,748.54 = 30,288.58/x
  3. Step 3: Cross multiply
    54,160.57x = 74,748.54 × 30,288.58
  4. Step 4: Simplify right side
    54,160.57x = 2,264,027,133.67
  5. Step 5: Solve for x
    x = 2,264,027,133.67/54,160.57
  6. Step 6: Final answer
    x = 41,802.13

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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.