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Finding the Fourth Proportional to 3,533.01, 4,875.53 and 1,939.76

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Solution

The fourth proportional to 3,533.01, 4,875.53 and 1,939.76 is: 2,676.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,533.01 : 4,875.53 = 1,939.76 : x
  2. Step 2: Convert to fraction form
    3,533.01/4,875.53 = 1,939.76/x
  3. Step 3: Cross multiply
    3,533.01x = 4,875.53 × 1,939.76
  4. Step 4: Simplify right side
    3,533.01x = 9,457,358.07
  5. Step 5: Solve for x
    x = 9,457,358.07/3,533.01
  6. Step 6: Final answer
    x = 2,676.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.