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Finding the Fourth Proportional to 6,336, 9,503.58 and 1,953.12

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Solution

The fourth proportional to 6,336, 9,503.58 and 1,953.12 is: 2,929.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,336 : 9,503.58 = 1,953.12 : x
  2. Step 2: Convert to fraction form
    6,336/9,503.58 = 1,953.12/x
  3. Step 3: Cross multiply
    6,336x = 9,503.58 × 1,953.12
  4. Step 4: Simplify right side
    6,336x = 18,561,632.17
  5. Step 5: Solve for x
    x = 18,561,632.17/6,336
  6. Step 6: Final answer
    x = 2,929.55

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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.