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Finding the Fourth Proportional to 35,812.63, 53,718.94 and 11,188.63

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Solution

The fourth proportional to 35,812.63, 53,718.94 and 11,188.63 is: 16,782.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,812.63 : 53,718.94 = 11,188.63 : x
  2. Step 2: Convert to fraction form
    35,812.63/53,718.94 = 11,188.63/x
  3. Step 3: Cross multiply
    35,812.63x = 53,718.94 × 11,188.63
  4. Step 4: Simplify right side
    35,812.63x = 601,041,075.06
  5. Step 5: Solve for x
    x = 601,041,075.06/35,812.63
  6. Step 6: Final answer
    x = 16,782.94

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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.