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Finding the Fourth Proportional to 29,609.40, 44,421.06 and 9,618.82

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Solution

The fourth proportional to 29,609.40, 44,421.06 and 9,618.82 is: 14,430.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,609.40 : 44,421.06 = 9,618.82 : x
  2. Step 2: Convert to fraction form
    29,609.40/44,421.06 = 9,618.82/x
  3. Step 3: Cross multiply
    29,609.40x = 44,421.06 × 9,618.82
  4. Step 4: Simplify right side
    29,609.40x = 427,278,271.95
  5. Step 5: Solve for x
    x = 427,278,271.95/29,609.40
  6. Step 6: Final answer
    x = 14,430.50

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1.5x scale

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.