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Finding the Fourth Proportional to 42,941.66, 64,416.91 and 14,861.66

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Solution

The fourth proportional to 42,941.66, 64,416.91 and 14,861.66 is: 22,294.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,941.66 : 64,416.91 = 14,861.66 : x
  2. Step 2: Convert to fraction form
    42,941.66/64,416.91 = 14,861.66/x
  3. Step 3: Cross multiply
    42,941.66x = 64,416.91 × 14,861.66
  4. Step 4: Simplify right side
    42,941.66x = 957,342,301.40
  5. Step 5: Solve for x
    x = 957,342,301.40/42,941.66
  6. Step 6: Final answer
    x = 22,294.02

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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.