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Finding the Fourth Proportional to 56,635.66, 84,947.62 and 19,194.76

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Solution

The fourth proportional to 56,635.66, 84,947.62 and 19,194.76 is: 28,790.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,635.66 : 84,947.62 = 19,194.76 : x
  2. Step 2: Convert to fraction form
    56,635.66/84,947.62 = 19,194.76/x
  3. Step 3: Cross multiply
    56,635.66x = 84,947.62 × 19,194.76
  4. Step 4: Simplify right side
    56,635.66x = 1,630,549,082.50
  5. Step 5: Solve for x
    x = 1,630,549,082.50/56,635.66
  6. Step 6: Final answer
    x = 28,790.15

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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.