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Finding the Fourth Proportional to 69,818.61, 96,293.61 and 45,617.63

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Solution

The fourth proportional to 69,818.61, 96,293.61 and 45,617.63 is: 62,915.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,818.61 : 96,293.61 = 45,617.63 : x
  2. Step 2: Convert to fraction form
    69,818.61/96,293.61 = 45,617.63/x
  3. Step 3: Cross multiply
    69,818.61x = 96,293.61 × 45,617.63
  4. Step 4: Simplify right side
    69,818.61x = 4,392,686,332.53
  5. Step 5: Solve for x
    x = 4,392,686,332.53/69,818.61
  6. Step 6: Final answer
    x = 62,915.70

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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.