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Finding the Fourth Proportional to 30,769.67, 46,154.71 and 11,048.40

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Solution

The fourth proportional to 30,769.67, 46,154.71 and 11,048.40 is: 16,572.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,769.67 : 46,154.71 = 11,048.40 : x
  2. Step 2: Convert to fraction form
    30,769.67/46,154.71 = 11,048.40/x
  3. Step 3: Cross multiply
    30,769.67x = 46,154.71 × 11,048.40
  4. Step 4: Simplify right side
    30,769.67x = 509,935,711.77
  5. Step 5: Solve for x
    x = 509,935,711.77/30,769.67
  6. Step 6: Final answer
    x = 16,572.67

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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.