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Finding the Fourth Proportional to 58,886.36, 88,276.08 and 21,419.94

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Solution

The fourth proportional to 58,886.36, 88,276.08 and 21,419.94 is: 32,110.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,886.36 : 88,276.08 = 21,419.94 : x
  2. Step 2: Convert to fraction form
    58,886.36/88,276.08 = 21,419.94/x
  3. Step 3: Cross multiply
    58,886.36x = 88,276.08 × 21,419.94
  4. Step 4: Simplify right side
    58,886.36x = 1,890,868,337.04
  5. Step 5: Solve for x
    x = 1,890,868,337.04/58,886.36
  6. Step 6: Final answer
    x = 32,110.46

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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.