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Finding the Fourth Proportional to 32,420.63, 44,740.47 and 17,516.63

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Solution

The fourth proportional to 32,420.63, 44,740.47 and 17,516.63 is: 24,172.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,420.63 : 44,740.47 = 17,516.63 : x
  2. Step 2: Convert to fraction form
    32,420.63/44,740.47 = 17,516.63/x
  3. Step 3: Cross multiply
    32,420.63x = 44,740.47 × 17,516.63
  4. Step 4: Simplify right side
    32,420.63x = 783,702,035.31
  5. Step 5: Solve for x
    x = 783,702,035.31/32,420.63
  6. Step 6: Final answer
    x = 24,172.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.