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Finding the Fourth Proportional to 53,050.58, 79,581.07 and 19,325.76

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Solution

The fourth proportional to 53,050.58, 79,581.07 and 19,325.76 is: 28,990.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,050.58 : 79,581.07 = 19,325.76 : x
  2. Step 2: Convert to fraction form
    53,050.58/79,581.07 = 19,325.76/x
  3. Step 3: Cross multiply
    53,050.58x = 79,581.07 × 19,325.76
  4. Step 4: Simplify right side
    53,050.58x = 1,537,964,659.36
  5. Step 5: Solve for x
    x = 1,537,964,659.36/53,050.58
  6. Step 6: Final answer
    x = 28,990.53

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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.