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Finding the Fourth Proportional to 59,783.84, 89,675.76 and 18,230.48

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Solution

The fourth proportional to 59,783.84, 89,675.76 and 18,230.48 is: 27,345.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,783.84 : 89,675.76 = 18,230.48 : x
  2. Step 2: Convert to fraction form
    59,783.84/89,675.76 = 18,230.48/x
  3. Step 3: Cross multiply
    59,783.84x = 89,675.76 × 18,230.48
  4. Step 4: Simplify right side
    59,783.84x = 1,634,832,149.16
  5. Step 5: Solve for x
    x = 1,634,832,149.16/59,783.84
  6. Step 6: Final answer
    x = 27,345.72

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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.