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Finding the Fourth Proportional to 25,603.50, 38,375.07 and 11,547.06

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Solution

The fourth proportional to 25,603.50, 38,375.07 and 11,547.06 is: 17,306.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,603.50 : 38,375.07 = 11,547.06 : x
  2. Step 2: Convert to fraction form
    25,603.50/38,375.07 = 11,547.06/x
  3. Step 3: Cross multiply
    25,603.50x = 38,375.07 × 11,547.06
  4. Step 4: Simplify right side
    25,603.50x = 443,119,235.79
  5. Step 5: Solve for x
    x = 443,119,235.79/25,603.50
  6. Step 6: Final answer
    x = 17,306.98

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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.