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Finding the Fourth Proportional to 5,915.16, 8,881.38 and 5,828.76

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Solution

The fourth proportional to 5,915.16, 8,881.38 and 5,828.76 is: 8,751.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.16 : 8,881.38 = 5,828.76 : x
  2. Step 2: Convert to fraction form
    5,915.16/8,881.38 = 5,828.76/x
  3. Step 3: Cross multiply
    5,915.16x = 8,881.38 × 5,828.76
  4. Step 4: Simplify right side
    5,915.16x = 51,767,432.49
  5. Step 5: Solve for x
    x = 51,767,432.49/5,915.16
  6. Step 6: Final answer
    x = 8,751.65

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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.