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Finding the Fourth Proportional to 60,480.42, 83,465.12 and 33,258.58

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Solution

The fourth proportional to 60,480.42, 83,465.12 and 33,258.58 is: 45,898.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,480.42 : 83,465.12 = 33,258.58 : x
  2. Step 2: Convert to fraction form
    60,480.42/83,465.12 = 33,258.58/x
  3. Step 3: Cross multiply
    60,480.42x = 83,465.12 × 33,258.58
  4. Step 4: Simplify right side
    60,480.42x = 2,775,931,386.64
  5. Step 5: Solve for x
    x = 2,775,931,386.64/60,480.42
  6. Step 6: Final answer
    x = 45,898.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.