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Finding the Fourth Proportional to 9,404.76, 14,038.47 and 8,719.50

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Solution

The fourth proportional to 9,404.76, 14,038.47 and 8,719.50 is: 13,015.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,404.76 : 14,038.47 = 8,719.50 : x
  2. Step 2: Convert to fraction form
    9,404.76/14,038.47 = 8,719.50/x
  3. Step 3: Cross multiply
    9,404.76x = 14,038.47 × 8,719.50
  4. Step 4: Simplify right side
    9,404.76x = 122,408,439.17
  5. Step 5: Solve for x
    x = 122,408,439.17/9,404.76
  6. Step 6: Final answer
    x = 13,015.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.