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Finding the Fourth Proportional to 15,603.34, 23,409.11 and 5,609.10

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Solution

The fourth proportional to 15,603.34, 23,409.11 and 5,609.10 is: 8,415.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,603.34 : 23,409.11 = 5,609.10 : x
  2. Step 2: Convert to fraction form
    15,603.34/23,409.11 = 5,609.10/x
  3. Step 3: Cross multiply
    15,603.34x = 23,409.11 × 5,609.10
  4. Step 4: Simplify right side
    15,603.34x = 131,304,038.90
  5. Step 5: Solve for x
    x = 131,304,038.90/15,603.34
  6. Step 6: Final answer
    x = 8,415.12

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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.