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Finding the Fourth Proportional to 60,783.80, 91,175.70 and 16,417.40

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Solution

The fourth proportional to 60,783.80, 91,175.70 and 16,417.40 is: 24,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,783.80 : 91,175.70 = 16,417.40 : x
  2. Step 2: Convert to fraction form
    60,783.80/91,175.70 = 16,417.40/x
  3. Step 3: Cross multiply
    60,783.80x = 91,175.70 × 16,417.40
  4. Step 4: Simplify right side
    60,783.80x = 1,496,867,937.18
  5. Step 5: Solve for x
    x = 1,496,867,937.18/60,783.80
  6. Step 6: Final answer
    x = 24,626.10

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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.