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Finding the Fourth Proportional to 62,703.63, 86,527.56 and 34,407.09

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Solution

The fourth proportional to 62,703.63, 86,527.56 and 34,407.09 is: 47,479.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,703.63 : 86,527.56 = 34,407.09 : x
  2. Step 2: Convert to fraction form
    62,703.63/86,527.56 = 34,407.09/x
  3. Step 3: Cross multiply
    62,703.63x = 86,527.56 × 34,407.09
  4. Step 4: Simplify right side
    62,703.63x = 2,977,161,544.40
  5. Step 5: Solve for x
    x = 2,977,161,544.40/62,703.63
  6. Step 6: Final answer
    x = 47,479.89

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1.5x scale

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.