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Finding the Fourth Proportional to 2,337.68, 3,506.64 and 876.32

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Solution

The fourth proportional to 2,337.68, 3,506.64 and 876.32 is: 1,314.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,337.68 : 3,506.64 = 876.32 : x
  2. Step 2: Convert to fraction form
    2,337.68/3,506.64 = 876.32/x
  3. Step 3: Cross multiply
    2,337.68x = 3,506.64 × 876.32
  4. Step 4: Simplify right side
    2,337.68x = 3,072,938.76
  5. Step 5: Solve for x
    x = 3,072,938.76/2,337.68
  6. Step 6: Final answer
    x = 1,314.52

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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.