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Finding the Fourth Proportional to 28,071.22, 42,137.16 and 24,971.08

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Solution

The fourth proportional to 28,071.22, 42,137.16 and 24,971.08 is: 37,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,071.22 : 42,137.16 = 24,971.08 : x
  2. Step 2: Convert to fraction form
    28,071.22/42,137.16 = 24,971.08/x
  3. Step 3: Cross multiply
    28,071.22x = 42,137.16 × 24,971.08
  4. Step 4: Simplify right side
    28,071.22x = 1,052,210,393.33
  5. Step 5: Solve for x
    x = 1,052,210,393.33/28,071.22
  6. Step 6: Final answer
    x = 37,483.60

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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.