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Finding the Fourth Proportional to 39,603.87, 59,258.16 and 39,160.98

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Solution

The fourth proportional to 39,603.87, 59,258.16 and 39,160.98 is: 58,595.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,603.87 : 59,258.16 = 39,160.98 : x
  2. Step 2: Convert to fraction form
    39,603.87/59,258.16 = 39,160.98/x
  3. Step 3: Cross multiply
    39,603.87x = 59,258.16 × 39,160.98
  4. Step 4: Simplify right side
    39,603.87x = 2,320,607,618.60
  5. Step 5: Solve for x
    x = 2,320,607,618.60/39,603.87
  6. Step 6: Final answer
    x = 58,595.48

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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.