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Finding the Fourth Proportional to 14,029.10, 19,360.04 and 7,655.55

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Solution

The fourth proportional to 14,029.10, 19,360.04 and 7,655.55 is: 10,564.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,029.10 : 19,360.04 = 7,655.55 : x
  2. Step 2: Convert to fraction form
    14,029.10/19,360.04 = 7,655.55/x
  3. Step 3: Cross multiply
    14,029.10x = 19,360.04 × 7,655.55
  4. Step 4: Simplify right side
    14,029.10x = 148,211,754.22
  5. Step 5: Solve for x
    x = 148,211,754.22/14,029.10
  6. Step 6: Final answer
    x = 10,564.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.