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Finding the Fourth Proportional to 30,374.40, 45,559.04 and 9,594.88

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Solution

The fourth proportional to 30,374.40, 45,559.04 and 9,594.88 is: 14,391.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,374.40 : 45,559.04 = 9,594.88 : x
  2. Step 2: Convert to fraction form
    30,374.40/45,559.04 = 9,594.88/x
  3. Step 3: Cross multiply
    30,374.40x = 45,559.04 × 9,594.88
  4. Step 4: Simplify right side
    30,374.40x = 437,133,521.72
  5. Step 5: Solve for x
    x = 437,133,521.72/30,374.40
  6. Step 6: Final answer
    x = 14,391.51

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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.