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Finding the Fourth Proportional to 35,561.78, 49,075.08 and 19,646.22

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Solution

The fourth proportional to 35,561.78, 49,075.08 and 19,646.22 is: 27,111.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,561.78 : 49,075.08 = 19,646.22 : x
  2. Step 2: Convert to fraction form
    35,561.78/49,075.08 = 19,646.22/x
  3. Step 3: Cross multiply
    35,561.78x = 49,075.08 × 19,646.22
  4. Step 4: Simplify right side
    35,561.78x = 964,139,818.20
  5. Step 5: Solve for x
    x = 964,139,818.20/35,561.78
  6. Step 6: Final answer
    x = 27,111.69

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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.