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Finding the Fourth Proportional to 58,581.60, 87,872.40 and 43,029.60

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Solution

The fourth proportional to 58,581.60, 87,872.40 and 43,029.60 is: 64,544.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,581.60 : 87,872.40 = 43,029.60 : x
  2. Step 2: Convert to fraction form
    58,581.60/87,872.40 = 43,029.60/x
  3. Step 3: Cross multiply
    58,581.60x = 87,872.40 × 43,029.60
  4. Step 4: Simplify right side
    58,581.60x = 3,781,114,223.04
  5. Step 5: Solve for x
    x = 3,781,114,223.04/58,581.60
  6. Step 6: Final answer
    x = 64,544.40

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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.