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Finding the Fourth Proportional to 4,658.94, 6,988.46 and 1,372.10

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Solution

The fourth proportional to 4,658.94, 6,988.46 and 1,372.10 is: 2,058.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658.94 : 6,988.46 = 1,372.10 : x
  2. Step 2: Convert to fraction form
    4,658.94/6,988.46 = 1,372.10/x
  3. Step 3: Cross multiply
    4,658.94x = 6,988.46 × 1,372.10
  4. Step 4: Simplify right side
    4,658.94x = 9,588,834.45
  5. Step 5: Solve for x
    x = 9,588,834.45/4,658.94
  6. Step 6: Final answer
    x = 2,058.16

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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.