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Finding the Fourth Proportional to 59,575.28, 82,159 and 40,483.64

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Solution

The fourth proportional to 59,575.28, 82,159 and 40,483.64 is: 55,830.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,575.28 : 82,159 = 40,483.64 : x
  2. Step 2: Convert to fraction form
    59,575.28/82,159 = 40,483.64/x
  3. Step 3: Cross multiply
    59,575.28x = 82,159 × 40,483.64
  4. Step 4: Simplify right side
    59,575.28x = 3,326,095,378.76
  5. Step 5: Solve for x
    x = 3,326,095,378.76/59,575.28
  6. Step 6: Final answer
    x = 55,830.13

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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.