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Finding the Fourth Proportional to 60,295.70, 83,112.16 and 47,528.17

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Solution

The fourth proportional to 60,295.70, 83,112.16 and 47,528.17 is: 65,513.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,295.70 : 83,112.16 = 47,528.17 : x
  2. Step 2: Convert to fraction form
    60,295.70/83,112.16 = 47,528.17/x
  3. Step 3: Cross multiply
    60,295.70x = 83,112.16 × 47,528.17
  4. Step 4: Simplify right side
    60,295.70x = 3,950,168,869.55
  5. Step 5: Solve for x
    x = 3,950,168,869.55/60,295.70
  6. Step 6: Final answer
    x = 65,513.28

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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.