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Finding the Fourth Proportional to 59,318.32, 88,980 and 17,765.68

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Solution

The fourth proportional to 59,318.32, 88,980 and 17,765.68 is: 26,649.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,318.32 : 88,980 = 17,765.68 : x
  2. Step 2: Convert to fraction form
    59,318.32/88,980 = 17,765.68/x
  3. Step 3: Cross multiply
    59,318.32x = 88,980 × 17,765.68
  4. Step 4: Simplify right side
    59,318.32x = 1,580,790,206.40
  5. Step 5: Solve for x
    x = 1,580,790,206.40/59,318.32
  6. Step 6: Final answer
    x = 26,649.27

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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.