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Finding the Fourth Proportional to 25,584.80, 35,300.88 and 14,406.80

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Solution

The fourth proportional to 25,584.80, 35,300.88 and 14,406.80 is: 19,877.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,584.80 : 35,300.88 = 14,406.80 : x
  2. Step 2: Convert to fraction form
    25,584.80/35,300.88 = 14,406.80/x
  3. Step 3: Cross multiply
    25,584.80x = 35,300.88 × 14,406.80
  4. Step 4: Simplify right side
    25,584.80x = 508,572,717.98
  5. Step 5: Solve for x
    x = 508,572,717.98/25,584.80
  6. Step 6: Final answer
    x = 19,877.92

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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.