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Finding the Fourth Proportional to 53,677.88, 74,036.92 and 33,253.32

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Solution

The fourth proportional to 53,677.88, 74,036.92 and 33,253.32 is: 45,865.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,677.88 : 74,036.92 = 33,253.32 : x
  2. Step 2: Convert to fraction form
    53,677.88/74,036.92 = 33,253.32/x
  3. Step 3: Cross multiply
    53,677.88x = 74,036.92 × 33,253.32
  4. Step 4: Simplify right side
    53,677.88x = 2,461,973,392.57
  5. Step 5: Solve for x
    x = 2,461,973,392.57/53,677.88
  6. Step 6: Final answer
    x = 45,865.70

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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.