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Finding the Fourth Proportional to 40,552, 60,830.76 and 12,470.32

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Solution

The fourth proportional to 40,552, 60,830.76 and 12,470.32 is: 18,706.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,552 : 60,830.76 = 12,470.32 : x
  2. Step 2: Convert to fraction form
    40,552/60,830.76 = 12,470.32/x
  3. Step 3: Cross multiply
    40,552x = 60,830.76 × 12,470.32
  4. Step 4: Simplify right side
    40,552x = 758,579,043.04
  5. Step 5: Solve for x
    x = 758,579,043.04/40,552
  6. Step 6: Final answer
    x = 18,706.33

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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.