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Finding the Fourth Proportional to 19,335, 29,002.62 and 6,855.32

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Solution

The fourth proportional to 19,335, 29,002.62 and 6,855.32 is: 10,283.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,335 : 29,002.62 = 6,855.32 : x
  2. Step 2: Convert to fraction form
    19,335/29,002.62 = 6,855.32/x
  3. Step 3: Cross multiply
    19,335x = 29,002.62 × 6,855.32
  4. Step 4: Simplify right side
    19,335x = 198,822,240.94
  5. Step 5: Solve for x
    x = 198,822,240.94/19,335
  6. Step 6: Final answer
    x = 10,283.02

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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.