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Finding the Fourth Proportional to 37,915.50, 52,326.34 and 20,923.10

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Solution

The fourth proportional to 37,915.50, 52,326.34 and 20,923.10 is: 28,875.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,915.50 : 52,326.34 = 20,923.10 : x
  2. Step 2: Convert to fraction form
    37,915.50/52,326.34 = 20,923.10/x
  3. Step 3: Cross multiply
    37,915.50x = 52,326.34 × 20,923.10
  4. Step 4: Simplify right side
    37,915.50x = 1,094,829,244.45
  5. Step 5: Solve for x
    x = 1,094,829,244.45/37,915.50
  6. Step 6: Final answer
    x = 28,875.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.