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Finding the Fourth Proportional to 63,820.80, 88,070.40 and 35,528.32

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Solution

The fourth proportional to 63,820.80, 88,070.40 and 35,528.32 is: 49,027.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,820.80 : 88,070.40 = 35,528.32 : x
  2. Step 2: Convert to fraction form
    63,820.80/88,070.40 = 35,528.32/x
  3. Step 3: Cross multiply
    63,820.80x = 88,070.40 × 35,528.32
  4. Step 4: Simplify right side
    63,820.80x = 3,128,993,353.73
  5. Step 5: Solve for x
    x = 3,128,993,353.73/63,820.80
  6. Step 6: Final answer
    x = 49,027.80

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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.