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Finding the Fourth Proportional to 35,880.47, 53,820.98 and 12,506.93

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Solution

The fourth proportional to 35,880.47, 53,820.98 and 12,506.93 is: 18,760.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,880.47 : 53,820.98 = 12,506.93 : x
  2. Step 2: Convert to fraction form
    35,880.47/53,820.98 = 12,506.93/x
  3. Step 3: Cross multiply
    35,880.47x = 53,820.98 × 12,506.93
  4. Step 4: Simplify right side
    35,880.47x = 673,135,166.86
  5. Step 5: Solve for x
    x = 673,135,166.86/35,880.47
  6. Step 6: Final answer
    x = 18,760.49

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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.