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Finding the Fourth Proportional to 2,337.90, 3,506.85 and 877.38

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Solution

The fourth proportional to 2,337.90, 3,506.85 and 877.38 is: 1,316.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,337.90 : 3,506.85 = 877.38 : x
  2. Step 2: Convert to fraction form
    2,337.90/3,506.85 = 877.38/x
  3. Step 3: Cross multiply
    2,337.90x = 3,506.85 × 877.38
  4. Step 4: Simplify right side
    2,337.90x = 3,076,840.05
  5. Step 5: Solve for x
    x = 3,076,840.05/2,337.90
  6. Step 6: Final answer
    x = 1,316.07

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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.