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Finding the Fourth Proportional to 16,700.61, 25,051.93 and 7,345.03

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Solution

The fourth proportional to 16,700.61, 25,051.93 and 7,345.03 is: 11,017.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,700.61 : 25,051.93 = 7,345.03 : x
  2. Step 2: Convert to fraction form
    16,700.61/25,051.93 = 7,345.03/x
  3. Step 3: Cross multiply
    16,700.61x = 25,051.93 × 7,345.03
  4. Step 4: Simplify right side
    16,700.61x = 184,007,177.41
  5. Step 5: Solve for x
    x = 184,007,177.41/16,700.61
  6. Step 6: Final answer
    x = 11,017.99

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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.