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Finding the Fourth Proportional to 10,393.47, 15,595.47 and 4,550.13

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Solution

The fourth proportional to 10,393.47, 15,595.47 and 4,550.13 is: 6,827.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393.47 : 15,595.47 = 4,550.13 : x
  2. Step 2: Convert to fraction form
    10,393.47/15,595.47 = 4,550.13/x
  3. Step 3: Cross multiply
    10,393.47x = 15,595.47 × 4,550.13
  4. Step 4: Simplify right side
    10,393.47x = 70,961,415.91
  5. Step 5: Solve for x
    x = 70,961,415.91/10,393.47
  6. Step 6: Final answer
    x = 6,827.50

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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.