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Finding the Fourth Proportional to 30,598.83, 45,900.81 and 13,068.81

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Solution

The fourth proportional to 30,598.83, 45,900.81 and 13,068.81 is: 19,604.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,598.83 : 45,900.81 = 13,068.81 : x
  2. Step 2: Convert to fraction form
    30,598.83/45,900.81 = 13,068.81/x
  3. Step 3: Cross multiply
    30,598.83x = 45,900.81 × 13,068.81
  4. Step 4: Simplify right side
    30,598.83x = 599,868,964.74
  5. Step 5: Solve for x
    x = 599,868,964.74/30,598.83
  6. Step 6: Final answer
    x = 19,604.31

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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.