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Finding the Fourth Proportional to 30,348.96, 45,522.90 and 11,623.92

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Solution

The fourth proportional to 30,348.96, 45,522.90 and 11,623.92 is: 17,435.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,348.96 : 45,522.90 = 11,623.92 : x
  2. Step 2: Convert to fraction form
    30,348.96/45,522.90 = 11,623.92/x
  3. Step 3: Cross multiply
    30,348.96x = 45,522.90 × 11,623.92
  4. Step 4: Simplify right side
    30,348.96x = 529,154,547.77
  5. Step 5: Solve for x
    x = 529,154,547.77/30,348.96
  6. Step 6: Final answer
    x = 17,435.67

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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.