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Finding the Fourth Proportional to 54,513.99, 81,802.71 and 22,921.76

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Solution

The fourth proportional to 54,513.99, 81,802.71 and 22,921.76 is: 34,395.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,513.99 : 81,802.71 = 22,921.76 : x
  2. Step 2: Convert to fraction form
    54,513.99/81,802.71 = 22,921.76/x
  3. Step 3: Cross multiply
    54,513.99x = 81,802.71 × 22,921.76
  4. Step 4: Simplify right side
    54,513.99x = 1,875,062,085.97
  5. Step 5: Solve for x
    x = 1,875,062,085.97/54,513.99
  6. Step 6: Final answer
    x = 34,395.98

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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.