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Finding the Fourth Proportional to 25,655.96, 35,395.16 and 14,898.99

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Solution

The fourth proportional to 25,655.96, 35,395.16 and 14,898.99 is: 20,554.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,655.96 : 35,395.16 = 14,898.99 : x
  2. Step 2: Convert to fraction form
    25,655.96/35,395.16 = 14,898.99/x
  3. Step 3: Cross multiply
    25,655.96x = 35,395.16 × 14,898.99
  4. Step 4: Simplify right side
    25,655.96x = 527,352,276.93
  5. Step 5: Solve for x
    x = 527,352,276.93/25,655.96
  6. Step 6: Final answer
    x = 20,554.76

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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.