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Finding the Fourth Proportional to 25,066.80, 34,592.88 and 13,888.80

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Solution

The fourth proportional to 25,066.80, 34,592.88 and 13,888.80 is: 19,166.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,066.80 : 34,592.88 = 13,888.80 : x
  2. Step 2: Convert to fraction form
    25,066.80/34,592.88 = 13,888.80/x
  3. Step 3: Cross multiply
    25,066.80x = 34,592.88 × 13,888.80
  4. Step 4: Simplify right side
    25,066.80x = 480,453,591.74
  5. Step 5: Solve for x
    x = 480,453,591.74/25,066.80
  6. Step 6: Final answer
    x = 19,166.93

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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.