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Finding the Fourth Proportional to 35,472.16, 53,213.70 and 12,093.13

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Solution

The fourth proportional to 35,472.16, 53,213.70 and 12,093.13 is: 18,141.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,472.16 : 53,213.70 = 12,093.13 : x
  2. Step 2: Convert to fraction form
    35,472.16/53,213.70 = 12,093.13/x
  3. Step 3: Cross multiply
    35,472.16x = 53,213.70 × 12,093.13
  4. Step 4: Simplify right side
    35,472.16x = 643,519,925.81
  5. Step 5: Solve for x
    x = 643,519,925.81/35,472.16
  6. Step 6: Final answer
    x = 18,141.55

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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.