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Finding the Fourth Proportional to 25,476.80, 38,159.80 and 15,586.16

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Solution

The fourth proportional to 25,476.80, 38,159.80 and 15,586.16 is: 23,345.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,476.80 : 38,159.80 = 15,586.16 : x
  2. Step 2: Convert to fraction form
    25,476.80/38,159.80 = 15,586.16/x
  3. Step 3: Cross multiply
    25,476.80x = 38,159.80 × 15,586.16
  4. Step 4: Simplify right side
    25,476.80x = 594,764,748.37
  5. Step 5: Solve for x
    x = 594,764,748.37/25,476.80
  6. Step 6: Final answer
    x = 23,345.35

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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.