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Finding the Fourth Proportional to 60,486.50, 90,748.20 and 30,925.09

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Solution

The fourth proportional to 60,486.50, 90,748.20 and 30,925.09 is: 46,397.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,486.50 : 90,748.20 = 30,925.09 : x
  2. Step 2: Convert to fraction form
    60,486.50/90,748.20 = 30,925.09/x
  3. Step 3: Cross multiply
    60,486.50x = 90,748.20 × 30,925.09
  4. Step 4: Simplify right side
    60,486.50x = 2,806,396,307.79
  5. Step 5: Solve for x
    x = 2,806,396,307.79/60,486.50
  6. Step 6: Final answer
    x = 46,397.07

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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.