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Finding the Fourth Proportional to 8,700.36, 13,050.54 and 3,152.67

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Solution

The fourth proportional to 8,700.36, 13,050.54 and 3,152.67 is: 4,729.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700.36 : 13,050.54 = 3,152.67 : x
  2. Step 2: Convert to fraction form
    8,700.36/13,050.54 = 3,152.67/x
  3. Step 3: Cross multiply
    8,700.36x = 13,050.54 × 3,152.67
  4. Step 4: Simplify right side
    8,700.36x = 41,144,045.94
  5. Step 5: Solve for x
    x = 41,144,045.94/8,700.36
  6. Step 6: Final answer
    x = 4,729.01

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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.