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Finding the Fourth Proportional to 25,603.84, 35,333.84 and 15,001.12

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Solution

The fourth proportional to 25,603.84, 35,333.84 and 15,001.12 is: 20,701.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,603.84 : 35,333.84 = 15,001.12 : x
  2. Step 2: Convert to fraction form
    25,603.84/35,333.84 = 15,001.12/x
  3. Step 3: Cross multiply
    25,603.84x = 35,333.84 × 15,001.12
  4. Step 4: Simplify right side
    25,603.84x = 530,047,173.90
  5. Step 5: Solve for x
    x = 530,047,173.90/25,603.84
  6. Step 6: Final answer
    x = 20,701.86

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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.