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Finding the Fourth Proportional to 8,988.84, 13,473.54 and 5,703.48

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Solution

The fourth proportional to 8,988.84, 13,473.54 and 5,703.48 is: 8,549.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988.84 : 13,473.54 = 5,703.48 : x
  2. Step 2: Convert to fraction form
    8,988.84/13,473.54 = 5,703.48/x
  3. Step 3: Cross multiply
    8,988.84x = 13,473.54 × 5,703.48
  4. Step 4: Simplify right side
    8,988.84x = 76,846,065.92
  5. Step 5: Solve for x
    x = 76,846,065.92/8,988.84
  6. Step 6: Final answer
    x = 8,549.05

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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.