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Finding the Fourth Proportional to 30,561.26, 45,842.70 and 9,784.76

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Solution

The fourth proportional to 30,561.26, 45,842.70 and 9,784.76 is: 14,677.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,561.26 : 45,842.70 = 9,784.76 : x
  2. Step 2: Convert to fraction form
    30,561.26/45,842.70 = 9,784.76/x
  3. Step 3: Cross multiply
    30,561.26x = 45,842.70 × 9,784.76
  4. Step 4: Simplify right side
    30,561.26x = 448,559,817.25
  5. Step 5: Solve for x
    x = 448,559,817.25/30,561.26
  6. Step 6: Final answer
    x = 14,677.40

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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.