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Finding the Fourth Proportional to 25,092, 37,763.88 and 18,884.16

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Solution

The fourth proportional to 25,092, 37,763.88 and 18,884.16 is: 28,420.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,092 : 37,763.88 = 18,884.16 : x
  2. Step 2: Convert to fraction form
    25,092/37,763.88 = 18,884.16/x
  3. Step 3: Cross multiply
    25,092x = 37,763.88 × 18,884.16
  4. Step 4: Simplify right side
    25,092x = 713,139,152.14
  5. Step 5: Solve for x
    x = 713,139,152.14/25,092
  6. Step 6: Final answer
    x = 28,420.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.