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Finding the Fourth Proportional to 9,532.80, 14,315.40 and 7,070.40

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Solution

The fourth proportional to 9,532.80, 14,315.40 and 7,070.40 is: 10,617.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,532.80 : 14,315.40 = 7,070.40 : x
  2. Step 2: Convert to fraction form
    9,532.80/14,315.40 = 7,070.40/x
  3. Step 3: Cross multiply
    9,532.80x = 14,315.40 × 7,070.40
  4. Step 4: Simplify right side
    9,532.80x = 101,215,604.16
  5. Step 5: Solve for x
    x = 101,215,604.16/9,532.80
  6. Step 6: Final answer
    x = 10,617.62

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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.