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Finding the Fourth Proportional to 9,510.40, 14,265.60 and 8,358.40

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Solution

The fourth proportional to 9,510.40, 14,265.60 and 8,358.40 is: 12,537.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,510.40 : 14,265.60 = 8,358.40 : x
  2. Step 2: Convert to fraction form
    9,510.40/14,265.60 = 8,358.40/x
  3. Step 3: Cross multiply
    9,510.40x = 14,265.60 × 8,358.40
  4. Step 4: Simplify right side
    9,510.40x = 119,237,591.04
  5. Step 5: Solve for x
    x = 119,237,591.04/9,510.40
  6. Step 6: Final answer
    x = 12,537.60

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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.