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Finding the Fourth Proportional to 59,555.52, 89,873.64 and 57,572.64

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Solution

The fourth proportional to 59,555.52, 89,873.64 and 57,572.64 is: 86,881.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,555.52 : 89,873.64 = 57,572.64 : x
  2. Step 2: Convert to fraction form
    59,555.52/89,873.64 = 57,572.64/x
  3. Step 3: Cross multiply
    59,555.52x = 89,873.64 × 57,572.64
  4. Step 4: Simplify right side
    59,555.52x = 5,174,262,721.21
  5. Step 5: Solve for x
    x = 5,174,262,721.21/59,555.52
  6. Step 6: Final answer
    x = 86,881.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.