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Finding the Fourth Proportional to 59,113.20, 88,669.80 and 19,671.60

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Solution

The fourth proportional to 59,113.20, 88,669.80 and 19,671.60 is: 29,507.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,113.20 : 88,669.80 = 19,671.60 : x
  2. Step 2: Convert to fraction form
    59,113.20/88,669.80 = 19,671.60/x
  3. Step 3: Cross multiply
    59,113.20x = 88,669.80 × 19,671.60
  4. Step 4: Simplify right side
    59,113.20x = 1,744,276,837.68
  5. Step 5: Solve for x
    x = 1,744,276,837.68/59,113.20
  6. Step 6: Final answer
    x = 29,507.40

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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.