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Finding the Fourth Proportional to 58,693.61, 88,041.26 and 14,321.21

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Solution

The fourth proportional to 58,693.61, 88,041.26 and 14,321.21 is: 21,482.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,693.61 : 88,041.26 = 14,321.21 : x
  2. Step 2: Convert to fraction form
    58,693.61/88,041.26 = 14,321.21/x
  3. Step 3: Cross multiply
    58,693.61x = 88,041.26 × 14,321.21
  4. Step 4: Simplify right side
    58,693.61x = 1,260,856,968.72
  5. Step 5: Solve for x
    x = 1,260,856,968.72/58,693.61
  6. Step 6: Final answer
    x = 21,482.01

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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.