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Finding the Fourth Proportional to 53,804.48, 80,704.90 and 14,359.51

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Solution

The fourth proportional to 53,804.48, 80,704.90 and 14,359.51 is: 21,538.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,804.48 : 80,704.90 = 14,359.51 : x
  2. Step 2: Convert to fraction form
    53,804.48/80,704.90 = 14,359.51/x
  3. Step 3: Cross multiply
    53,804.48x = 80,704.90 × 14,359.51
  4. Step 4: Simplify right side
    53,804.48x = 1,158,882,343.28
  5. Step 5: Solve for x
    x = 1,158,882,343.28/53,804.48
  6. Step 6: Final answer
    x = 21,538.77

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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.