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Finding the Fourth Proportional to 46,955.61, 70,444.89 and 13,676.01

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Solution

The fourth proportional to 46,955.61, 70,444.89 and 13,676.01 is: 20,517.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,955.61 : 70,444.89 = 13,676.01 : x
  2. Step 2: Convert to fraction form
    46,955.61/70,444.89 = 13,676.01/x
  3. Step 3: Cross multiply
    46,955.61x = 70,444.89 × 13,676.01
  4. Step 4: Simplify right side
    46,955.61x = 963,405,020.09
  5. Step 5: Solve for x
    x = 963,405,020.09/46,955.61
  6. Step 6: Final answer
    x = 20,517.36

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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.