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Finding the Fourth Proportional to 30,545.08, 45,788.46 and 9,755.08

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Solution

The fourth proportional to 30,545.08, 45,788.46 and 9,755.08 is: 14,623.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,545.08 : 45,788.46 = 9,755.08 : x
  2. Step 2: Convert to fraction form
    30,545.08/45,788.46 = 9,755.08/x
  3. Step 3: Cross multiply
    30,545.08x = 45,788.46 × 9,755.08
  4. Step 4: Simplify right side
    30,545.08x = 446,670,090.38
  5. Step 5: Solve for x
    x = 446,670,090.38/30,545.08
  6. Step 6: Final answer
    x = 14,623.31

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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.