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Finding the Fourth Proportional to 58,998.96, 88,499.28 and 21,078.24

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Solution

The fourth proportional to 58,998.96, 88,499.28 and 21,078.24 is: 31,617.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,998.96 : 88,499.28 = 21,078.24 : x
  2. Step 2: Convert to fraction form
    58,998.96/88,499.28 = 21,078.24/x
  3. Step 3: Cross multiply
    58,998.96x = 88,499.28 × 21,078.24
  4. Step 4: Simplify right side
    58,998.96x = 1,865,409,063.67
  5. Step 5: Solve for x
    x = 1,865,409,063.67/58,998.96
  6. Step 6: Final answer
    x = 31,617.66

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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.