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Finding the Fourth Proportional to 4,899.24, 7,347.78 and 1,435.68

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Solution

The fourth proportional to 4,899.24, 7,347.78 and 1,435.68 is: 2,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.24 : 7,347.78 = 1,435.68 : x
  2. Step 2: Convert to fraction form
    4,899.24/7,347.78 = 1,435.68/x
  3. Step 3: Cross multiply
    4,899.24x = 7,347.78 × 1,435.68
  4. Step 4: Simplify right side
    4,899.24x = 10,549,060.79
  5. Step 5: Solve for x
    x = 10,549,060.79/4,899.24
  6. Step 6: Final answer
    x = 2,153.20

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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.