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Finding the Fourth Proportional to 59,507.55, 89,269.64 and 17,390.70

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Solution

The fourth proportional to 59,507.55, 89,269.64 and 17,390.70 is: 26,088.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,507.55 : 89,269.64 = 17,390.70 : x
  2. Step 2: Convert to fraction form
    59,507.55/89,269.64 = 17,390.70/x
  3. Step 3: Cross multiply
    59,507.55x = 89,269.64 × 17,390.70
  4. Step 4: Simplify right side
    59,507.55x = 1,552,461,441.39
  5. Step 5: Solve for x
    x = 1,552,461,441.39/59,507.55
  6. Step 6: Final answer
    x = 26,088.48

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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.