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Finding the Fourth Proportional to 9,038.99, 12,473.95 and 5,454.14

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Solution

The fourth proportional to 9,038.99, 12,473.95 and 5,454.14 is: 7,526.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,038.99 : 12,473.95 = 5,454.14 : x
  2. Step 2: Convert to fraction form
    9,038.99/12,473.95 = 5,454.14/x
  3. Step 3: Cross multiply
    9,038.99x = 12,473.95 × 5,454.14
  4. Step 4: Simplify right side
    9,038.99x = 68,034,603.87
  5. Step 5: Solve for x
    x = 68,034,603.87/9,038.99
  6. Step 6: Final answer
    x = 7,526.79

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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.