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Finding the Fourth Proportional to 62,693.04, 86,518.08 and 34,399.74

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Solution

The fourth proportional to 62,693.04, 86,518.08 and 34,399.74 is: 47,472.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,693.04 : 86,518.08 = 34,399.74 : x
  2. Step 2: Convert to fraction form
    62,693.04/86,518.08 = 34,399.74/x
  3. Step 3: Cross multiply
    62,693.04x = 86,518.08 × 34,399.74
  4. Step 4: Simplify right side
    62,693.04x = 2,976,199,457.30
  5. Step 5: Solve for x
    x = 2,976,199,457.30/62,693.04
  6. Step 6: Final answer
    x = 47,472.57

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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.