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Finding the Fourth Proportional to 38,802.94, 53,548.13 and 22,035.94

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Solution

The fourth proportional to 38,802.94, 53,548.13 and 22,035.94 is: 30,409.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,802.94 : 53,548.13 = 22,035.94 : x
  2. Step 2: Convert to fraction form
    38,802.94/53,548.13 = 22,035.94/x
  3. Step 3: Cross multiply
    38,802.94x = 53,548.13 × 22,035.94
  4. Step 4: Simplify right side
    38,802.94x = 1,179,983,301.01
  5. Step 5: Solve for x
    x = 1,179,983,301.01/38,802.94
  6. Step 6: Final answer
    x = 30,409.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.