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Finding the Fourth Proportional to 35,543.88, 53,303.50 and 19,772.88

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Solution

The fourth proportional to 35,543.88, 53,303.50 and 19,772.88 is: 29,652.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,543.88 : 53,303.50 = 19,772.88 : x
  2. Step 2: Convert to fraction form
    35,543.88/53,303.50 = 19,772.88/x
  3. Step 3: Cross multiply
    35,543.88x = 53,303.50 × 19,772.88
  4. Step 4: Simplify right side
    35,543.88x = 1,053,963,709.08
  5. Step 5: Solve for x
    x = 1,053,963,709.08/35,543.88
  6. Step 6: Final answer
    x = 29,652.47

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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.