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Finding the Fourth Proportional to 5,973.59, 8,915.21 and 5,818.07

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Solution

The fourth proportional to 5,973.59, 8,915.21 and 5,818.07 is: 8,683.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,973.59 : 8,915.21 = 5,818.07 : x
  2. Step 2: Convert to fraction form
    5,973.59/8,915.21 = 5,818.07/x
  3. Step 3: Cross multiply
    5,973.59x = 8,915.21 × 5,818.07
  4. Step 4: Simplify right side
    5,973.59x = 51,869,315.84
  5. Step 5: Solve for x
    x = 51,869,315.84/5,973.59
  6. Step 6: Final answer
    x = 8,683.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.