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Finding the Fourth Proportional to 28,501.08, 42,751.56 and 7,441.04

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Solution

The fourth proportional to 28,501.08, 42,751.56 and 7,441.04 is: 11,161.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,501.08 : 42,751.56 = 7,441.04 : x
  2. Step 2: Convert to fraction form
    28,501.08/42,751.56 = 7,441.04/x
  3. Step 3: Cross multiply
    28,501.08x = 42,751.56 × 7,441.04
  4. Step 4: Simplify right side
    28,501.08x = 318,116,068.02
  5. Step 5: Solve for x
    x = 318,116,068.02/28,501.08
  6. Step 6: Final answer
    x = 11,161.54

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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.