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Finding the Fourth Proportional to 29,580.72, 44,354.48 and 12,030

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Solution

The fourth proportional to 29,580.72, 44,354.48 and 12,030 is: 18,038.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,580.72 : 44,354.48 = 12,030 : x
  2. Step 2: Convert to fraction form
    29,580.72/44,354.48 = 12,030/x
  3. Step 3: Cross multiply
    29,580.72x = 44,354.48 × 12,030
  4. Step 4: Simplify right side
    29,580.72x = 533,584,394.40
  5. Step 5: Solve for x
    x = 533,584,394.40/29,580.72
  6. Step 6: Final answer
    x = 18,038.25

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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.