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Finding the Fourth Proportional to 35,806.48, 53,695.92 and 13,608.16

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Solution

The fourth proportional to 35,806.48, 53,695.92 and 13,608.16 is: 20,407.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,806.48 : 53,695.92 = 13,608.16 : x
  2. Step 2: Convert to fraction form
    35,806.48/53,695.92 = 13,608.16/x
  3. Step 3: Cross multiply
    35,806.48x = 53,695.92 × 13,608.16
  4. Step 4: Simplify right side
    35,806.48x = 730,702,670.71
  5. Step 5: Solve for x
    x = 730,702,670.71/35,806.48
  6. Step 6: Final answer
    x = 20,407.00

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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.