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Finding the Fourth Proportional to 8,752.84, 13,124.58 and 2,907.34

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Solution

The fourth proportional to 8,752.84, 13,124.58 and 2,907.34 is: 4,359.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.84 : 13,124.58 = 2,907.34 : x
  2. Step 2: Convert to fraction form
    8,752.84/13,124.58 = 2,907.34/x
  3. Step 3: Cross multiply
    8,752.84x = 13,124.58 × 2,907.34
  4. Step 4: Simplify right side
    8,752.84x = 38,157,616.42
  5. Step 5: Solve for x
    x = 38,157,616.42/8,752.84
  6. Step 6: Final answer
    x = 4,359.46

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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.