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Finding the Fourth Proportional to 35,698.71, 53,548.47 and 16,980.54

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Solution

The fourth proportional to 35,698.71, 53,548.47 and 16,980.54 is: 25,471.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,698.71 : 53,548.47 = 16,980.54 : x
  2. Step 2: Convert to fraction form
    35,698.71/53,548.47 = 16,980.54/x
  3. Step 3: Cross multiply
    35,698.71x = 53,548.47 × 16,980.54
  4. Step 4: Simplify right side
    35,698.71x = 909,281,936.77
  5. Step 5: Solve for x
    x = 909,281,936.77/35,698.71
  6. Step 6: Final answer
    x = 25,471.00

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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.