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Finding the Fourth Proportional to 60,673.19, 91,050.77 and 21,230.64

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Solution

The fourth proportional to 60,673.19, 91,050.77 and 21,230.64 is: 31,860.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,673.19 : 91,050.77 = 21,230.64 : x
  2. Step 2: Convert to fraction form
    60,673.19/91,050.77 = 21,230.64/x
  3. Step 3: Cross multiply
    60,673.19x = 91,050.77 × 21,230.64
  4. Step 4: Simplify right side
    60,673.19x = 1,933,066,013.44
  5. Step 5: Solve for x
    x = 1,933,066,013.44/60,673.19
  6. Step 6: Final answer
    x = 31,860.30

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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.