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Finding the Fourth Proportional to 54,341.40, 76,216.20 and 54,341.40

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Solution

The fourth proportional to 54,341.40, 76,216.20 and 54,341.40 is: 76,216.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,341.40 : 76,216.20 = 54,341.40 : x
  2. Step 2: Convert to fraction form
    54,341.40/76,216.20 = 54,341.40/x
  3. Step 3: Cross multiply
    54,341.40x = 76,216.20 × 54,341.40
  4. Step 4: Simplify right side
    54,341.40x = 4,141,695,010.68
  5. Step 5: Solve for x
    x = 4,141,695,010.68/54,341.40
  6. Step 6: Final answer
    x = 76,216.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.