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Finding the Fourth Proportional to 59,078.40, 88,598.40 and 19,628.80

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Solution

The fourth proportional to 59,078.40, 88,598.40 and 19,628.80 is: 29,436.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,078.40 : 88,598.40 = 19,628.80 : x
  2. Step 2: Convert to fraction form
    59,078.40/88,598.40 = 19,628.80/x
  3. Step 3: Cross multiply
    59,078.40x = 88,598.40 × 19,628.80
  4. Step 4: Simplify right side
    59,078.40x = 1,739,080,273.92
  5. Step 5: Solve for x
    x = 1,739,080,273.92/59,078.40
  6. Step 6: Final answer
    x = 29,436.82

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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.