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Finding the Fourth Proportional to 9,670.61, 14,484.35 and 9,434.90

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Solution

The fourth proportional to 9,670.61, 14,484.35 and 9,434.90 is: 14,131.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,670.61 : 14,484.35 = 9,434.90 : x
  2. Step 2: Convert to fraction form
    9,670.61/14,484.35 = 9,434.90/x
  3. Step 3: Cross multiply
    9,670.61x = 14,484.35 × 9,434.90
  4. Step 4: Simplify right side
    9,670.61x = 136,658,453.61
  5. Step 5: Solve for x
    x = 136,658,453.61/9,670.61
  6. Step 6: Final answer
    x = 14,131.31

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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.