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Finding the Fourth Proportional to 12,602.66, 18,852.01 and 10,356.19

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Solution

The fourth proportional to 12,602.66, 18,852.01 and 10,356.19 is: 15,491.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,602.66 : 18,852.01 = 10,356.19 : x
  2. Step 2: Convert to fraction form
    12,602.66/18,852.01 = 10,356.19/x
  3. Step 3: Cross multiply
    12,602.66x = 18,852.01 × 10,356.19
  4. Step 4: Simplify right side
    12,602.66x = 195,234,924.42
  5. Step 5: Solve for x
    x = 195,234,924.42/12,602.66
  6. Step 6: Final answer
    x = 15,491.57

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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.