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Finding the Fourth Proportional to 30,486.84, 45,733.26 and 9,426.06

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Solution

The fourth proportional to 30,486.84, 45,733.26 and 9,426.06 is: 14,140.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,486.84 : 45,733.26 = 9,426.06 : x
  2. Step 2: Convert to fraction form
    30,486.84/45,733.26 = 9,426.06/x
  3. Step 3: Cross multiply
    30,486.84x = 45,733.26 × 9,426.06
  4. Step 4: Simplify right side
    30,486.84x = 431,084,452.76
  5. Step 5: Solve for x
    x = 431,084,452.76/30,486.84
  6. Step 6: Final answer
    x = 14,140.02

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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.