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Finding the Fourth Proportional to 60,486.17, 83,461.77 and 34,640.70

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Solution

The fourth proportional to 60,486.17, 83,461.77 and 34,640.70 is: 47,798.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,486.17 : 83,461.77 = 34,640.70 : x
  2. Step 2: Convert to fraction form
    60,486.17/83,461.77 = 34,640.70/x
  3. Step 3: Cross multiply
    60,486.17x = 83,461.77 × 34,640.70
  4. Step 4: Simplify right side
    60,486.17x = 2,891,173,725.63
  5. Step 5: Solve for x
    x = 2,891,173,725.63/60,486.17
  6. Step 6: Final answer
    x = 47,798.92

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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.