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Finding the Fourth Proportional to 7,962.84, 10,987.52 and 4,604.99

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Solution

The fourth proportional to 7,962.84, 10,987.52 and 4,604.99 is: 6,354.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.84 : 10,987.52 = 4,604.99 : x
  2. Step 2: Convert to fraction form
    7,962.84/10,987.52 = 4,604.99/x
  3. Step 3: Cross multiply
    7,962.84x = 10,987.52 × 4,604.99
  4. Step 4: Simplify right side
    7,962.84x = 50,597,341.76
  5. Step 5: Solve for x
    x = 50,597,341.76/7,962.84
  6. Step 6: Final answer
    x = 6,354.18

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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.