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Finding the Fourth Proportional to 35,720.54, 53,580.80 and 12,026.10

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Solution

The fourth proportional to 35,720.54, 53,580.80 and 12,026.10 is: 18,039.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,720.54 : 53,580.80 = 12,026.10 : x
  2. Step 2: Convert to fraction form
    35,720.54/53,580.80 = 12,026.10/x
  3. Step 3: Cross multiply
    35,720.54x = 53,580.80 × 12,026.10
  4. Step 4: Simplify right side
    35,720.54x = 644,368,058.88
  5. Step 5: Solve for x
    x = 644,368,058.88/35,720.54
  6. Step 6: Final answer
    x = 18,039.15

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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.