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Finding the Fourth Proportional to 9,038.56, 12,473.04 and 5,262.40

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Solution

The fourth proportional to 9,038.56, 12,473.04 and 5,262.40 is: 7,262.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,038.56 : 12,473.04 = 5,262.40 : x
  2. Step 2: Convert to fraction form
    9,038.56/12,473.04 = 5,262.40/x
  3. Step 3: Cross multiply
    9,038.56x = 12,473.04 × 5,262.40
  4. Step 4: Simplify right side
    9,038.56x = 65,638,125.70
  5. Step 5: Solve for x
    x = 65,638,125.70/9,038.56
  6. Step 6: Final answer
    x = 7,262.01

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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.