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Finding the Fourth Proportional to 10,392.99, 15,585.03 and 2,995.67

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Solution

The fourth proportional to 10,392.99, 15,585.03 and 2,995.67 is: 4,492.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392.99 : 15,585.03 = 2,995.67 : x
  2. Step 2: Convert to fraction form
    10,392.99/15,585.03 = 2,995.67/x
  3. Step 3: Cross multiply
    10,392.99x = 15,585.03 × 2,995.67
  4. Step 4: Simplify right side
    10,392.99x = 46,687,528.89
  5. Step 5: Solve for x
    x = 46,687,528.89/10,392.99
  6. Step 6: Final answer
    x = 4,492.21

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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.