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Finding the Fourth Proportional to 15,313.16, 22,915.02 and 12,003.50

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Solution

The fourth proportional to 15,313.16, 22,915.02 and 12,003.50 is: 17,962.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,313.16 : 22,915.02 = 12,003.50 : x
  2. Step 2: Convert to fraction form
    15,313.16/22,915.02 = 12,003.50/x
  3. Step 3: Cross multiply
    15,313.16x = 22,915.02 × 12,003.50
  4. Step 4: Simplify right side
    15,313.16x = 275,060,442.57
  5. Step 5: Solve for x
    x = 275,060,442.57/15,313.16
  6. Step 6: Final answer
    x = 17,962.36

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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.