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Finding the Fourth Proportional to 54,054.81, 81,070.94 and 14,602.68

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Solution

The fourth proportional to 54,054.81, 81,070.94 and 14,602.68 is: 21,900.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,054.81 : 81,070.94 = 14,602.68 : x
  2. Step 2: Convert to fraction form
    54,054.81/81,070.94 = 14,602.68/x
  3. Step 3: Cross multiply
    54,054.81x = 81,070.94 × 14,602.68
  4. Step 4: Simplify right side
    54,054.81x = 1,183,853,030.63
  5. Step 5: Solve for x
    x = 1,183,853,030.63/54,054.81
  6. Step 6: Final answer
    x = 21,900.97

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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.