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Finding the Fourth Proportional to 7,079.52, 9,763.16 and 4,557.18

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Solution

The fourth proportional to 7,079.52, 9,763.16 and 4,557.18 is: 6,284.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.52 : 9,763.16 = 4,557.18 : x
  2. Step 2: Convert to fraction form
    7,079.52/9,763.16 = 4,557.18/x
  3. Step 3: Cross multiply
    7,079.52x = 9,763.16 × 4,557.18
  4. Step 4: Simplify right side
    7,079.52x = 44,492,477.49
  5. Step 5: Solve for x
    x = 44,492,477.49/7,079.52
  6. Step 6: Final answer
    x = 6,284.67

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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.