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Finding the Fourth Proportional to 16,561.78, 24,804.39 and 9,973.45

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Solution

The fourth proportional to 16,561.78, 24,804.39 and 9,973.45 is: 14,937.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,561.78 : 24,804.39 = 9,973.45 : x
  2. Step 2: Convert to fraction form
    16,561.78/24,804.39 = 9,973.45/x
  3. Step 3: Cross multiply
    16,561.78x = 24,804.39 × 9,973.45
  4. Step 4: Simplify right side
    16,561.78x = 247,385,343.45
  5. Step 5: Solve for x
    x = 247,385,343.45/16,561.78
  6. Step 6: Final answer
    x = 14,937.12

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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.