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Finding the Fourth Proportional to 8,333.40, 11,500.04 and 4,607.40

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Solution

The fourth proportional to 8,333.40, 11,500.04 and 4,607.40 is: 6,358.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333.40 : 11,500.04 = 4,607.40 : x
  2. Step 2: Convert to fraction form
    8,333.40/11,500.04 = 4,607.40/x
  3. Step 3: Cross multiply
    8,333.40x = 11,500.04 × 4,607.40
  4. Step 4: Simplify right side
    8,333.40x = 52,985,284.30
  5. Step 5: Solve for x
    x = 52,985,284.30/8,333.40
  6. Step 6: Final answer
    x = 6,358.18

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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.