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Finding the Fourth Proportional to 60,334.50, 90,501.74 and 18,784.74

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Solution

The fourth proportional to 60,334.50, 90,501.74 and 18,784.74 is: 28,177.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,334.50 : 90,501.74 = 18,784.74 : x
  2. Step 2: Convert to fraction form
    60,334.50/90,501.74 = 18,784.74/x
  3. Step 3: Cross multiply
    60,334.50x = 90,501.74 × 18,784.74
  4. Step 4: Simplify right side
    60,334.50x = 1,700,051,655.45
  5. Step 5: Solve for x
    x = 1,700,051,655.45/60,334.50
  6. Step 6: Final answer
    x = 28,177.11

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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.