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Finding the Fourth Proportional to 54,437.70, 81,656.55 and 23,276.10

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Solution

The fourth proportional to 54,437.70, 81,656.55 and 23,276.10 is: 34,914.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,437.70 : 81,656.55 = 23,276.10 : x
  2. Step 2: Convert to fraction form
    54,437.70/81,656.55 = 23,276.10/x
  3. Step 3: Cross multiply
    54,437.70x = 81,656.55 × 23,276.10
  4. Step 4: Simplify right side
    54,437.70x = 1,900,646,023.46
  5. Step 5: Solve for x
    x = 1,900,646,023.46/54,437.70
  6. Step 6: Final answer
    x = 34,914.15

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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.