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Finding the Fourth Proportional to 53,911, 74,443.04 and 33,801.56

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Solution

The fourth proportional to 53,911, 74,443.04 and 33,801.56 is: 46,674.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,911 : 74,443.04 = 33,801.56 : x
  2. Step 2: Convert to fraction form
    53,911/74,443.04 = 33,801.56/x
  3. Step 3: Cross multiply
    53,911x = 74,443.04 × 33,801.56
  4. Step 4: Simplify right side
    53,911x = 2,516,290,883.14
  5. Step 5: Solve for x
    x = 2,516,290,883.14/53,911
  6. Step 6: Final answer
    x = 46,674.91

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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.