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Finding the Fourth Proportional to 60,570.47, 83,622.02 and 40,493.81

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Solution

The fourth proportional to 60,570.47, 83,622.02 and 40,493.81 is: 55,904.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,570.47 : 83,622.02 = 40,493.81 : x
  2. Step 2: Convert to fraction form
    60,570.47/83,622.02 = 40,493.81/x
  3. Step 3: Cross multiply
    60,570.47x = 83,622.02 × 40,493.81
  4. Step 4: Simplify right side
    60,570.47x = 3,386,173,569.12
  5. Step 5: Solve for x
    x = 3,386,173,569.12/60,570.47
  6. Step 6: Final answer
    x = 55,904.70

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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.