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Finding the Fourth Proportional to 35,602.08, 53,422.08 and 20,020.80

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Solution

The fourth proportional to 35,602.08, 53,422.08 and 20,020.80 is: 30,041.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,602.08 : 53,422.08 = 20,020.80 : x
  2. Step 2: Convert to fraction form
    35,602.08/53,422.08 = 20,020.80/x
  3. Step 3: Cross multiply
    35,602.08x = 53,422.08 × 20,020.80
  4. Step 4: Simplify right side
    35,602.08x = 1,069,552,779.26
  5. Step 5: Solve for x
    x = 1,069,552,779.26/35,602.08
  6. Step 6: Final answer
    x = 30,041.86

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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.