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Finding the Fourth Proportional to 58,668.35, 88,009.35 and 21,246.05

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Solution

The fourth proportional to 58,668.35, 88,009.35 and 21,246.05 is: 31,871.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,668.35 : 88,009.35 = 21,246.05 : x
  2. Step 2: Convert to fraction form
    58,668.35/88,009.35 = 21,246.05/x
  3. Step 3: Cross multiply
    58,668.35x = 88,009.35 × 21,246.05
  4. Step 4: Simplify right side
    58,668.35x = 1,869,851,050.57
  5. Step 5: Solve for x
    x = 1,869,851,050.57/58,668.35
  6. Step 6: Final answer
    x = 31,871.55

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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.