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Finding the Fourth Proportional to 15,323.04, 22,978.08 and 4,790.23

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Solution

The fourth proportional to 15,323.04, 22,978.08 and 4,790.23 is: 7,183.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,323.04 : 22,978.08 = 4,790.23 : x
  2. Step 2: Convert to fraction form
    15,323.04/22,978.08 = 4,790.23/x
  3. Step 3: Cross multiply
    15,323.04x = 22,978.08 × 4,790.23
  4. Step 4: Simplify right side
    15,323.04x = 110,070,381.29
  5. Step 5: Solve for x
    x = 110,070,381.29/15,323.04
  6. Step 6: Final answer
    x = 7,183.32

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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.