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Finding the Fourth Proportional to 46,888.79, 70,299.16 and 21,914.87

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Solution

The fourth proportional to 46,888.79, 70,299.16 and 21,914.87 is: 32,856.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,888.79 : 70,299.16 = 21,914.87 : x
  2. Step 2: Convert to fraction form
    46,888.79/70,299.16 = 21,914.87/x
  3. Step 3: Cross multiply
    46,888.79x = 70,299.16 × 21,914.87
  4. Step 4: Simplify right side
    46,888.79x = 1,540,596,546.23
  5. Step 5: Solve for x
    x = 1,540,596,546.23/46,888.79
  6. Step 6: Final answer
    x = 32,856.40

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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.