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Finding the Fourth Proportional to 35,793.90, 53,690.85 and 30,869.10

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Solution

The fourth proportional to 35,793.90, 53,690.85 and 30,869.10 is: 46,303.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,793.90 : 53,690.85 = 30,869.10 : x
  2. Step 2: Convert to fraction form
    35,793.90/53,690.85 = 30,869.10/x
  3. Step 3: Cross multiply
    35,793.90x = 53,690.85 × 30,869.10
  4. Step 4: Simplify right side
    35,793.90x = 1,657,388,217.74
  5. Step 5: Solve for x
    x = 1,657,388,217.74/35,793.90
  6. Step 6: Final answer
    x = 46,303.65

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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.