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Finding the Fourth Proportional to 60,378.40, 83,322.49 and 37,730.55

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Solution

The fourth proportional to 60,378.40, 83,322.49 and 37,730.55 is: 52,068.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,378.40 : 83,322.49 = 37,730.55 : x
  2. Step 2: Convert to fraction form
    60,378.40/83,322.49 = 37,730.55/x
  3. Step 3: Cross multiply
    60,378.40x = 83,322.49 × 37,730.55
  4. Step 4: Simplify right side
    60,378.40x = 3,143,803,375.07
  5. Step 5: Solve for x
    x = 3,143,803,375.07/60,378.40
  6. Step 6: Final answer
    x = 52,068.35

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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.