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Finding the Fourth Proportional to 11,071.80, 16,607.70 and 4,502.70

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Solution

The fourth proportional to 11,071.80, 16,607.70 and 4,502.70 is: 6,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,071.80 : 16,607.70 = 4,502.70 : x
  2. Step 2: Convert to fraction form
    11,071.80/16,607.70 = 4,502.70/x
  3. Step 3: Cross multiply
    11,071.80x = 16,607.70 × 4,502.70
  4. Step 4: Simplify right side
    11,071.80x = 74,779,490.79
  5. Step 5: Solve for x
    x = 74,779,490.79/11,071.80
  6. Step 6: Final answer
    x = 6,754.05

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Similar ratio
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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.