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Finding the Fourth Proportional to 58,412.16, 87,617.92 and 21,476.48

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Solution

The fourth proportional to 58,412.16, 87,617.92 and 21,476.48 is: 32,214.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,412.16 : 87,617.92 = 21,476.48 : x
  2. Step 2: Convert to fraction form
    58,412.16/87,617.92 = 21,476.48/x
  3. Step 3: Cross multiply
    58,412.16x = 87,617.92 × 21,476.48
  4. Step 4: Simplify right side
    58,412.16x = 1,881,724,506.52
  5. Step 5: Solve for x
    x = 1,881,724,506.52/58,412.16
  6. Step 6: Final answer
    x = 32,214.60

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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.