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Finding the Fourth Proportional to 25,655.58, 35,395.34 and 15,043.16

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Solution

The fourth proportional to 25,655.58, 35,395.34 and 15,043.16 is: 20,754.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,655.58 : 35,395.34 = 15,043.16 : x
  2. Step 2: Convert to fraction form
    25,655.58/35,395.34 = 15,043.16/x
  3. Step 3: Cross multiply
    25,655.58x = 35,395.34 × 15,043.16
  4. Step 4: Simplify right side
    25,655.58x = 532,457,510.68
  5. Step 5: Solve for x
    x = 532,457,510.68/25,655.58
  6. Step 6: Final answer
    x = 20,754.06

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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.