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Finding the Fourth Proportional to 35,575.80, 53,298.90 and 28,966.20

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Solution

The fourth proportional to 35,575.80, 53,298.90 and 28,966.20 is: 43,396.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,575.80 : 53,298.90 = 28,966.20 : x
  2. Step 2: Convert to fraction form
    35,575.80/53,298.90 = 28,966.20/x
  3. Step 3: Cross multiply
    35,575.80x = 53,298.90 × 28,966.20
  4. Step 4: Simplify right side
    35,575.80x = 1,543,866,597.18
  5. Step 5: Solve for x
    x = 1,543,866,597.18/35,575.80
  6. Step 6: Final answer
    x = 43,396.54

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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.