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Finding the Fourth Proportional to 44,478.66, 66,701.81 and 14,889.46

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Solution

The fourth proportional to 44,478.66, 66,701.81 and 14,889.46 is: 22,328.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,478.66 : 66,701.81 = 14,889.46 : x
  2. Step 2: Convert to fraction form
    44,478.66/66,701.81 = 14,889.46/x
  3. Step 3: Cross multiply
    44,478.66x = 66,701.81 × 14,889.46
  4. Step 4: Simplify right side
    44,478.66x = 993,153,931.92
  5. Step 5: Solve for x
    x = 993,153,931.92/44,478.66
  6. Step 6: Final answer
    x = 22,328.77

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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.