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Finding the Fourth Proportional to 82,030.56, 123,065.04 and 26,626.56

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Solution

The fourth proportional to 82,030.56, 123,065.04 and 26,626.56 is: 39,946.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,030.56 : 123,065.04 = 26,626.56 : x
  2. Step 2: Convert to fraction form
    82,030.56/123,065.04 = 26,626.56/x
  3. Step 3: Cross multiply
    82,030.56x = 123,065.04 × 26,626.56
  4. Step 4: Simplify right side
    82,030.56x = 3,276,798,671.46
  5. Step 5: Solve for x
    x = 3,276,798,671.46/82,030.56
  6. Step 6: Final answer
    x = 39,946.07

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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.