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Finding the Fourth Proportional to 59,398.97, 89,111.75 and 19,955.01

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Solution

The fourth proportional to 59,398.97, 89,111.75 and 19,955.01 is: 29,936.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,398.97 : 89,111.75 = 19,955.01 : x
  2. Step 2: Convert to fraction form
    59,398.97/89,111.75 = 19,955.01/x
  3. Step 3: Cross multiply
    59,398.97x = 89,111.75 × 19,955.01
  4. Step 4: Simplify right side
    59,398.97x = 1,778,225,862.37
  5. Step 5: Solve for x
    x = 1,778,225,862.37/59,398.97
  6. Step 6: Final answer
    x = 29,936.98

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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.