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Finding the Fourth Proportional to 15,347.10, 23,004.45 and 8,759.10

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Solution

The fourth proportional to 15,347.10, 23,004.45 and 8,759.10 is: 13,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,347.10 : 23,004.45 = 8,759.10 : x
  2. Step 2: Convert to fraction form
    15,347.10/23,004.45 = 8,759.10/x
  3. Step 3: Cross multiply
    15,347.10x = 23,004.45 × 8,759.10
  4. Step 4: Simplify right side
    15,347.10x = 201,498,278.00
  5. Step 5: Solve for x
    x = 201,498,278.00/15,347.10
  6. Step 6: Final answer
    x = 13,129.40

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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.