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Finding the Fourth Proportional to 10,509.88, 14,503.70 and 5,794.08

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Solution

The fourth proportional to 10,509.88, 14,503.70 and 5,794.08 is: 7,995.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509.88 : 14,503.70 = 5,794.08 : x
  2. Step 2: Convert to fraction form
    10,509.88/14,503.70 = 5,794.08/x
  3. Step 3: Cross multiply
    10,509.88x = 14,503.70 × 5,794.08
  4. Step 4: Simplify right side
    10,509.88x = 84,035,598.10
  5. Step 5: Solve for x
    x = 84,035,598.10/10,509.88
  6. Step 6: Final answer
    x = 7,995.87

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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.