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Finding the Fourth Proportional to 60,862.84, 83,989.80 and 34,005.72

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Solution

The fourth proportional to 60,862.84, 83,989.80 and 34,005.72 is: 46,927.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,862.84 : 83,989.80 = 34,005.72 : x
  2. Step 2: Convert to fraction form
    60,862.84/83,989.80 = 34,005.72/x
  3. Step 3: Cross multiply
    60,862.84x = 83,989.80 × 34,005.72
  4. Step 4: Simplify right side
    60,862.84x = 2,856,133,621.66
  5. Step 5: Solve for x
    x = 2,856,133,621.66/60,862.84
  6. Step 6: Final answer
    x = 46,927.38

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1.5x scale

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.