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Finding the Fourth Proportional to 58,005.60, 86,893.20 and 34,562.40

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Solution

The fourth proportional to 58,005.60, 86,893.20 and 34,562.40 is: 51,774.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,005.60 : 86,893.20 = 34,562.40 : x
  2. Step 2: Convert to fraction form
    58,005.60/86,893.20 = 34,562.40/x
  3. Step 3: Cross multiply
    58,005.60x = 86,893.20 × 34,562.40
  4. Step 4: Simplify right side
    58,005.60x = 3,003,237,535.68
  5. Step 5: Solve for x
    x = 3,003,237,535.68/58,005.60
  6. Step 6: Final answer
    x = 51,774.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.