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Finding the Fourth Proportional to 30,889.57, 46,334.35 and 8,700.06

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Solution

The fourth proportional to 30,889.57, 46,334.35 and 8,700.06 is: 13,050.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,889.57 : 46,334.35 = 8,700.06 : x
  2. Step 2: Convert to fraction form
    30,889.57/46,334.35 = 8,700.06/x
  3. Step 3: Cross multiply
    30,889.57x = 46,334.35 × 8,700.06
  4. Step 4: Simplify right side
    30,889.57x = 403,111,573.53
  5. Step 5: Solve for x
    x = 403,111,573.53/30,889.57
  6. Step 6: Final answer
    x = 13,050.09

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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.