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Finding the Fourth Proportional to 53,003.60, 79,485.60 and 17,933.84

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Solution

The fourth proportional to 53,003.60, 79,485.60 and 17,933.84 is: 26,894.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,003.60 : 79,485.60 = 17,933.84 : x
  2. Step 2: Convert to fraction form
    53,003.60/79,485.60 = 17,933.84/x
  3. Step 3: Cross multiply
    53,003.60x = 79,485.60 × 17,933.84
  4. Step 4: Simplify right side
    53,003.60x = 1,425,482,032.70
  5. Step 5: Solve for x
    x = 1,425,482,032.70/53,003.60
  6. Step 6: Final answer
    x = 26,894.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.