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Finding the Fourth Proportional to 4,988.94, 7,483.45 and 2,214.87

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Solution

The fourth proportional to 4,988.94, 7,483.45 and 2,214.87 is: 3,322.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.94 : 7,483.45 = 2,214.87 : x
  2. Step 2: Convert to fraction form
    4,988.94/7,483.45 = 2,214.87/x
  3. Step 3: Cross multiply
    4,988.94x = 7,483.45 × 2,214.87
  4. Step 4: Simplify right side
    4,988.94x = 16,574,820.41
  5. Step 5: Solve for x
    x = 16,574,820.41/4,988.94
  6. Step 6: Final answer
    x = 3,322.31

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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.