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Finding the Fourth Proportional to 57,000.61, 85,500.93 and 14,880.58

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Solution

The fourth proportional to 57,000.61, 85,500.93 and 14,880.58 is: 22,320.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,000.61 : 85,500.93 = 14,880.58 : x
  2. Step 2: Convert to fraction form
    57,000.61/85,500.93 = 14,880.58/x
  3. Step 3: Cross multiply
    57,000.61x = 85,500.93 × 14,880.58
  4. Step 4: Simplify right side
    57,000.61x = 1,272,303,270.99
  5. Step 5: Solve for x
    x = 1,272,303,270.99/57,000.61
  6. Step 6: Final answer
    x = 22,320.87

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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.