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Finding the Fourth Proportional to 35,172.99, 48,554.51 and 22,443.30

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Solution

The fourth proportional to 35,172.99, 48,554.51 and 22,443.30 is: 30,981.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,172.99 : 48,554.51 = 22,443.30 : x
  2. Step 2: Convert to fraction form
    35,172.99/48,554.51 = 22,443.30/x
  3. Step 3: Cross multiply
    35,172.99x = 48,554.51 × 22,443.30
  4. Step 4: Simplify right side
    35,172.99x = 1,089,723,322.07
  5. Step 5: Solve for x
    x = 1,089,723,322.07/35,172.99
  6. Step 6: Final answer
    x = 30,981.82

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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.