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Finding the Fourth Proportional to 65,955.15, 98,925.42 and 19,208.04

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Solution

The fourth proportional to 65,955.15, 98,925.42 and 19,208.04 is: 28,809.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,955.15 : 98,925.42 = 19,208.04 : x
  2. Step 2: Convert to fraction form
    65,955.15/98,925.42 = 19,208.04/x
  3. Step 3: Cross multiply
    65,955.15x = 98,925.42 × 19,208.04
  4. Step 4: Simplify right side
    65,955.15x = 1,900,163,424.38
  5. Step 5: Solve for x
    x = 1,900,163,424.38/65,955.15
  6. Step 6: Final answer
    x = 28,809.93

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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.