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Finding the Fourth Proportional to 30,446.03, 45,673.61 and 9,384.32

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Solution

The fourth proportional to 30,446.03, 45,673.61 and 9,384.32 is: 14,077.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,446.03 : 45,673.61 = 9,384.32 : x
  2. Step 2: Convert to fraction form
    30,446.03/45,673.61 = 9,384.32/x
  3. Step 3: Cross multiply
    30,446.03x = 45,673.61 × 9,384.32
  4. Step 4: Simplify right side
    30,446.03x = 428,615,839.06
  5. Step 5: Solve for x
    x = 428,615,839.06/30,446.03
  6. Step 6: Final answer
    x = 14,077.89

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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.