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Finding the Fourth Proportional to 15,612.94, 23,393.22 and 15,005.98

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Solution

The fourth proportional to 15,612.94, 23,393.22 and 15,005.98 is: 22,483.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,612.94 : 23,393.22 = 15,005.98 : x
  2. Step 2: Convert to fraction form
    15,612.94/23,393.22 = 15,005.98/x
  3. Step 3: Cross multiply
    15,612.94x = 23,393.22 × 15,005.98
  4. Step 4: Simplify right side
    15,612.94x = 351,038,191.46
  5. Step 5: Solve for x
    x = 351,038,191.46/15,612.94
  6. Step 6: Final answer
    x = 22,483.80

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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.