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Finding the Fourth Proportional to 15,803.94, 23,718.88 and 8,014.98

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Solution

The fourth proportional to 15,803.94, 23,718.88 and 8,014.98 is: 12,029.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,803.94 : 23,718.88 = 8,014.98 : x
  2. Step 2: Convert to fraction form
    15,803.94/23,718.88 = 8,014.98/x
  3. Step 3: Cross multiply
    15,803.94x = 23,718.88 × 8,014.98
  4. Step 4: Simplify right side
    15,803.94x = 190,106,348.82
  5. Step 5: Solve for x
    x = 190,106,348.82/15,803.94
  6. Step 6: Final answer
    x = 12,029.05

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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.