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Finding the Fourth Proportional to 10,520.16, 14,525.16 and 6,543.06

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Solution

The fourth proportional to 10,520.16, 14,525.16 and 6,543.06 is: 9,033.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,520.16 : 14,525.16 = 6,543.06 : x
  2. Step 2: Convert to fraction form
    10,520.16/14,525.16 = 6,543.06/x
  3. Step 3: Cross multiply
    10,520.16x = 14,525.16 × 6,543.06
  4. Step 4: Simplify right side
    10,520.16x = 95,038,993.39
  5. Step 5: Solve for x
    x = 95,038,993.39/10,520.16
  6. Step 6: Final answer
    x = 9,033.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.