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Finding the Fourth Proportional to 54,322.67, 81,484.01 and 19,254.13

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Solution

The fourth proportional to 54,322.67, 81,484.01 and 19,254.13 is: 28,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,322.67 : 81,484.01 = 19,254.13 : x
  2. Step 2: Convert to fraction form
    54,322.67/81,484.01 = 19,254.13/x
  3. Step 3: Cross multiply
    54,322.67x = 81,484.01 × 19,254.13
  4. Step 4: Simplify right side
    54,322.67x = 1,568,903,721.46
  5. Step 5: Solve for x
    x = 1,568,903,721.46/54,322.67
  6. Step 6: Final answer
    x = 28,881.20

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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.