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Finding the Fourth Proportional to 72,811.16, 109,216.63 and 22,895.63

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Solution

The fourth proportional to 72,811.16, 109,216.63 and 22,895.63 is: 34,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,811.16 : 109,216.63 = 22,895.63 : x
  2. Step 2: Convert to fraction form
    72,811.16/109,216.63 = 22,895.63/x
  3. Step 3: Cross multiply
    72,811.16x = 109,216.63 × 22,895.63
  4. Step 4: Simplify right side
    72,811.16x = 2,500,582,889.77
  5. Step 5: Solve for x
    x = 2,500,582,889.77/72,811.16
  6. Step 6: Final answer
    x = 34,343.40

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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.