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Finding the Fourth Proportional to 30,381.51, 45,572.00 and 9,605.01

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Solution

The fourth proportional to 30,381.51, 45,572.00 and 9,605.01 is: 14,407.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,381.51 : 45,572.00 = 9,605.01 : x
  2. Step 2: Convert to fraction form
    30,381.51/45,572.00 = 9,605.01/x
  3. Step 3: Cross multiply
    30,381.51x = 45,572.00 × 9,605.01
  4. Step 4: Simplify right side
    30,381.51x = 437,719,467.69
  5. Step 5: Solve for x
    x = 437,719,467.69/30,381.51
  6. Step 6: Final answer
    x = 14,407.43

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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.