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Finding the Fourth Proportional to 60,915.51, 91,148.58 and 36,913.64

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Solution

The fourth proportional to 60,915.51, 91,148.58 and 36,913.64 is: 55,234.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,915.51 : 91,148.58 = 36,913.64 : x
  2. Step 2: Convert to fraction form
    60,915.51/91,148.58 = 36,913.64/x
  3. Step 3: Cross multiply
    60,915.51x = 91,148.58 × 36,913.64
  4. Step 4: Simplify right side
    60,915.51x = 3,364,625,412.89
  5. Step 5: Solve for x
    x = 3,364,625,412.89/60,915.51
  6. Step 6: Final answer
    x = 55,234.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.