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Finding the Fourth Proportional to 8,337.42, 12,495.65 and 7,341.12

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Solution

The fourth proportional to 8,337.42, 12,495.65 and 7,341.12 is: 11,002.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,337.42 : 12,495.65 = 7,341.12 : x
  2. Step 2: Convert to fraction form
    8,337.42/12,495.65 = 7,341.12/x
  3. Step 3: Cross multiply
    8,337.42x = 12,495.65 × 7,341.12
  4. Step 4: Simplify right side
    8,337.42x = 91,732,066.13
  5. Step 5: Solve for x
    x = 91,732,066.13/8,337.42
  6. Step 6: Final answer
    x = 11,002.45

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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.