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Finding the Fourth Proportional to 60,307.62, 90,464.95 and 20,323.25

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Solution

The fourth proportional to 60,307.62, 90,464.95 and 20,323.25 is: 30,486.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,307.62 : 90,464.95 = 20,323.25 : x
  2. Step 2: Convert to fraction form
    60,307.62/90,464.95 = 20,323.25/x
  3. Step 3: Cross multiply
    60,307.62x = 90,464.95 × 20,323.25
  4. Step 4: Simplify right side
    60,307.62x = 1,838,541,707.41
  5. Step 5: Solve for x
    x = 1,838,541,707.41/60,307.62
  6. Step 6: Final answer
    x = 30,486.06

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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.