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Finding the Fourth Proportional to 35,079.70, 52,619.55 and 10,455.70

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Solution

The fourth proportional to 35,079.70, 52,619.55 and 10,455.70 is: 15,683.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,079.70 : 52,619.55 = 10,455.70 : x
  2. Step 2: Convert to fraction form
    35,079.70/52,619.55 = 10,455.70/x
  3. Step 3: Cross multiply
    35,079.70x = 52,619.55 × 10,455.70
  4. Step 4: Simplify right side
    35,079.70x = 550,174,228.94
  5. Step 5: Solve for x
    x = 550,174,228.94/35,079.70
  6. Step 6: Final answer
    x = 15,683.55

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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.