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Finding the Fourth Proportional to 35,130.98, 48,482.52 and 20,799.03

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Solution

The fourth proportional to 35,130.98, 48,482.52 and 20,799.03 is: 28,703.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,130.98 : 48,482.52 = 20,799.03 : x
  2. Step 2: Convert to fraction form
    35,130.98/48,482.52 = 20,799.03/x
  3. Step 3: Cross multiply
    35,130.98x = 48,482.52 × 20,799.03
  4. Step 4: Simplify right side
    35,130.98x = 1,008,389,387.96
  5. Step 5: Solve for x
    x = 1,008,389,387.96/35,130.98
  6. Step 6: Final answer
    x = 28,703.71

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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.