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Finding the Fourth Proportional to 35,427.99, 53,138.73 and 10,803.99

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Solution

The fourth proportional to 35,427.99, 53,138.73 and 10,803.99 is: 16,204.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,427.99 : 53,138.73 = 10,803.99 : x
  2. Step 2: Convert to fraction form
    35,427.99/53,138.73 = 10,803.99/x
  3. Step 3: Cross multiply
    35,427.99x = 53,138.73 × 10,803.99
  4. Step 4: Simplify right side
    35,427.99x = 574,110,307.53
  5. Step 5: Solve for x
    x = 574,110,307.53/35,427.99
  6. Step 6: Final answer
    x = 16,204.99

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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.