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Finding the Fourth Proportional to 35,058.48, 52,561.80 and 12,860.16

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Solution

The fourth proportional to 35,058.48, 52,561.80 and 12,860.16 is: 19,280.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,058.48 : 52,561.80 = 12,860.16 : x
  2. Step 2: Convert to fraction form
    35,058.48/52,561.80 = 12,860.16/x
  3. Step 3: Cross multiply
    35,058.48x = 52,561.80 × 12,860.16
  4. Step 4: Simplify right side
    35,058.48x = 675,953,157.89
  5. Step 5: Solve for x
    x = 675,953,157.89/35,058.48
  6. Step 6: Final answer
    x = 19,280.73

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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.