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Finding the Fourth Proportional to 57,210.70, 85,816.05 and 26,106.70

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Solution

The fourth proportional to 57,210.70, 85,816.05 and 26,106.70 is: 39,160.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,210.70 : 85,816.05 = 26,106.70 : x
  2. Step 2: Convert to fraction form
    57,210.70/85,816.05 = 26,106.70/x
  3. Step 3: Cross multiply
    57,210.70x = 85,816.05 × 26,106.70
  4. Step 4: Simplify right side
    57,210.70x = 2,240,373,872.54
  5. Step 5: Solve for x
    x = 2,240,373,872.54/57,210.70
  6. Step 6: Final answer
    x = 39,160.05

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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.