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Finding the Fourth Proportional to 58,378.67, 80,564.54 and 34,525.79

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Solution

The fourth proportional to 58,378.67, 80,564.54 and 34,525.79 is: 47,646.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,378.67 : 80,564.54 = 34,525.79 : x
  2. Step 2: Convert to fraction form
    58,378.67/80,564.54 = 34,525.79/x
  3. Step 3: Cross multiply
    58,378.67x = 80,564.54 × 34,525.79
  4. Step 4: Simplify right side
    58,378.67x = 2,781,553,814.03
  5. Step 5: Solve for x
    x = 2,781,553,814.03/58,378.67
  6. Step 6: Final answer
    x = 47,646.75

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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.