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Finding the Fourth Proportional to 42,303, 63,454.94 and 17,336.64

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Solution

The fourth proportional to 42,303, 63,454.94 and 17,336.64 is: 26,005.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,303 : 63,454.94 = 17,336.64 : x
  2. Step 2: Convert to fraction form
    42,303/63,454.94 = 17,336.64/x
  3. Step 3: Cross multiply
    42,303x = 63,454.94 × 17,336.64
  4. Step 4: Simplify right side
    42,303x = 1,100,095,451.00
  5. Step 5: Solve for x
    x = 1,100,095,451.00/42,303
  6. Step 6: Final answer
    x = 26,005.14

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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.