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Finding the Fourth Proportional to 58,281.93, 80,429.37 and 34,420.37

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Solution

The fourth proportional to 58,281.93, 80,429.37 and 34,420.37 is: 47,500.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,281.93 : 80,429.37 = 34,420.37 : x
  2. Step 2: Convert to fraction form
    58,281.93/80,429.37 = 34,420.37/x
  3. Step 3: Cross multiply
    58,281.93x = 80,429.37 × 34,420.37
  4. Step 4: Simplify right side
    58,281.93x = 2,768,408,272.12
  5. Step 5: Solve for x
    x = 2,768,408,272.12/58,281.93
  6. Step 6: Final answer
    x = 47,500.28

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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.