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Finding the Fourth Proportional to 46,865.79, 64,674.72 and 25,645.05

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Solution

The fourth proportional to 46,865.79, 64,674.72 and 25,645.05 is: 35,390.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,865.79 : 64,674.72 = 25,645.05 : x
  2. Step 2: Convert to fraction form
    46,865.79/64,674.72 = 25,645.05/x
  3. Step 3: Cross multiply
    46,865.79x = 64,674.72 × 25,645.05
  4. Step 4: Simplify right side
    46,865.79x = 1,658,586,428.14
  5. Step 5: Solve for x
    x = 1,658,586,428.14/46,865.79
  6. Step 6: Final answer
    x = 35,390.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.