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Finding the Fourth Proportional to 58,232.72, 87,360.60 and 18,799.76

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Solution

The fourth proportional to 58,232.72, 87,360.60 and 18,799.76 is: 28,203.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,232.72 : 87,360.60 = 18,799.76 : x
  2. Step 2: Convert to fraction form
    58,232.72/87,360.60 = 18,799.76/x
  3. Step 3: Cross multiply
    58,232.72x = 87,360.60 × 18,799.76
  4. Step 4: Simplify right side
    58,232.72x = 1,642,358,313.46
  5. Step 5: Solve for x
    x = 1,642,358,313.46/58,232.72
  6. Step 6: Final answer
    x = 28,203.36

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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.