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Finding the Fourth Proportional to 45,999.70, 68,999.55 and 14,838.10

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Solution

The fourth proportional to 45,999.70, 68,999.55 and 14,838.10 is: 22,257.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,999.70 : 68,999.55 = 14,838.10 : x
  2. Step 2: Convert to fraction form
    45,999.70/68,999.55 = 14,838.10/x
  3. Step 3: Cross multiply
    45,999.70x = 68,999.55 × 14,838.10
  4. Step 4: Simplify right side
    45,999.70x = 1,023,822,222.86
  5. Step 5: Solve for x
    x = 1,023,822,222.86/45,999.70
  6. Step 6: Final answer
    x = 22,257.15

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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.