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Finding the Fourth Proportional to 59,507.60, 89,199.12 and 20,051.08

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Solution

The fourth proportional to 59,507.60, 89,199.12 and 20,051.08 is: 30,055.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,507.60 : 89,199.12 = 20,051.08 : x
  2. Step 2: Convert to fraction form
    59,507.60/89,199.12 = 20,051.08/x
  3. Step 3: Cross multiply
    59,507.60x = 89,199.12 × 20,051.08
  4. Step 4: Simplify right side
    59,507.60x = 1,788,538,691.05
  5. Step 5: Solve for x
    x = 1,788,538,691.05/59,507.60
  6. Step 6: Final answer
    x = 30,055.63

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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.