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Finding the Fourth Proportional to 49,602.04, 74,403.02 and 12,666.04

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Solution

The fourth proportional to 49,602.04, 74,403.02 and 12,666.04 is: 18,999.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,602.04 : 74,403.02 = 12,666.04 : x
  2. Step 2: Convert to fraction form
    49,602.04/74,403.02 = 12,666.04/x
  3. Step 3: Cross multiply
    49,602.04x = 74,403.02 × 12,666.04
  4. Step 4: Simplify right side
    49,602.04x = 942,391,627.44
  5. Step 5: Solve for x
    x = 942,391,627.44/49,602.04
  6. Step 6: Final answer
    x = 18,999.05

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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.