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Finding the Fourth Proportional to 9,874.05, 13,623.03 and 7,041.89

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Solution

The fourth proportional to 9,874.05, 13,623.03 and 7,041.89 is: 9,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,874.05 : 13,623.03 = 7,041.89 : x
  2. Step 2: Convert to fraction form
    9,874.05/13,623.03 = 7,041.89/x
  3. Step 3: Cross multiply
    9,874.05x = 13,623.03 × 7,041.89
  4. Step 4: Simplify right side
    9,874.05x = 95,931,810.61
  5. Step 5: Solve for x
    x = 95,931,810.61/9,874.05
  6. Step 6: Final answer
    x = 9,715.55

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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.