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Finding the Fourth Proportional to 35,453.65, 48,927.05 and 19,539.12

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Solution

The fourth proportional to 35,453.65, 48,927.05 and 19,539.12 is: 26,964.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,453.65 : 48,927.05 = 19,539.12 : x
  2. Step 2: Convert to fraction form
    35,453.65/48,927.05 = 19,539.12/x
  3. Step 3: Cross multiply
    35,453.65x = 48,927.05 × 19,539.12
  4. Step 4: Simplify right side
    35,453.65x = 955,991,501.20
  5. Step 5: Solve for x
    x = 955,991,501.20/35,453.65
  6. Step 6: Final answer
    x = 26,964.54

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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.