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Finding the Fourth Proportional to 54,875.70, 82,313.55 and 15,434.10

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Solution

The fourth proportional to 54,875.70, 82,313.55 and 15,434.10 is: 23,151.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,875.70 : 82,313.55 = 15,434.10 : x
  2. Step 2: Convert to fraction form
    54,875.70/82,313.55 = 15,434.10/x
  3. Step 3: Cross multiply
    54,875.70x = 82,313.55 × 15,434.10
  4. Step 4: Simplify right side
    54,875.70x = 1,270,435,562.06
  5. Step 5: Solve for x
    x = 1,270,435,562.06/54,875.70
  6. Step 6: Final answer
    x = 23,151.15

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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.