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Finding the Fourth Proportional to 42,662.30, 63,995.07 and 16,369.70

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Solution

The fourth proportional to 42,662.30, 63,995.07 and 16,369.70 is: 24,555.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,662.30 : 63,995.07 = 16,369.70 : x
  2. Step 2: Convert to fraction form
    42,662.30/63,995.07 = 16,369.70/x
  3. Step 3: Cross multiply
    42,662.30x = 63,995.07 × 16,369.70
  4. Step 4: Simplify right side
    42,662.30x = 1,047,580,097.38
  5. Step 5: Solve for x
    x = 1,047,580,097.38/42,662.30
  6. Step 6: Final answer
    x = 24,555.17

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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.