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Finding the Fourth Proportional to 62,875.72, 86,768.04 and 34,580.80

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Solution

The fourth proportional to 62,875.72, 86,768.04 and 34,580.80 is: 47,721.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,875.72 : 86,768.04 = 34,580.80 : x
  2. Step 2: Convert to fraction form
    62,875.72/86,768.04 = 34,580.80/x
  3. Step 3: Cross multiply
    62,875.72x = 86,768.04 × 34,580.80
  4. Step 4: Simplify right side
    62,875.72x = 3,000,508,237.63
  5. Step 5: Solve for x
    x = 3,000,508,237.63/62,875.72
  6. Step 6: Final answer
    x = 47,721.25

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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.