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Finding the Fourth Proportional to 58,921.84, 88,383.88 and 19,482.40

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Solution

The fourth proportional to 58,921.84, 88,383.88 and 19,482.40 is: 29,223.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,921.84 : 88,383.88 = 19,482.40 : x
  2. Step 2: Convert to fraction form
    58,921.84/88,383.88 = 19,482.40/x
  3. Step 3: Cross multiply
    58,921.84x = 88,383.88 × 19,482.40
  4. Step 4: Simplify right side
    58,921.84x = 1,721,930,103.71
  5. Step 5: Solve for x
    x = 1,721,930,103.71/58,921.84
  6. Step 6: Final answer
    x = 29,223.97

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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.