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Finding the Fourth Proportional to 35,686.40, 53,478.40 and 26,252.80

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Solution

The fourth proportional to 35,686.40, 53,478.40 and 26,252.80 is: 39,341.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,686.40 : 53,478.40 = 26,252.80 : x
  2. Step 2: Convert to fraction form
    35,686.40/53,478.40 = 26,252.80/x
  3. Step 3: Cross multiply
    35,686.40x = 53,478.40 × 26,252.80
  4. Step 4: Simplify right side
    35,686.40x = 1,403,957,739.52
  5. Step 5: Solve for x
    x = 1,403,957,739.52/35,686.40
  6. Step 6: Final answer
    x = 39,341.53

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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.