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Finding the Fourth Proportional to 35,445.65, 48,914.48 and 20,337.98

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Solution

The fourth proportional to 35,445.65, 48,914.48 and 20,337.98 is: 28,066.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,445.65 : 48,914.48 = 20,337.98 : x
  2. Step 2: Convert to fraction form
    35,445.65/48,914.48 = 20,337.98/x
  3. Step 3: Cross multiply
    35,445.65x = 48,914.48 × 20,337.98
  4. Step 4: Simplify right side
    35,445.65x = 994,821,522.22
  5. Step 5: Solve for x
    x = 994,821,522.22/35,445.65
  6. Step 6: Final answer
    x = 28,066.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.