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Finding the Fourth Proportional to 9,877.99, 14,817.27 and 4,328.47

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Solution

The fourth proportional to 9,877.99, 14,817.27 and 4,328.47 is: 6,492.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,877.99 : 14,817.27 = 4,328.47 : x
  2. Step 2: Convert to fraction form
    9,877.99/14,817.27 = 4,328.47/x
  3. Step 3: Cross multiply
    9,877.99x = 14,817.27 × 4,328.47
  4. Step 4: Simplify right side
    9,877.99x = 64,136,108.68
  5. Step 5: Solve for x
    x = 64,136,108.68/9,877.99
  6. Step 6: Final answer
    x = 6,492.83

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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.