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Finding the Fourth Proportional to 55,965.03, 77,301.03 and 40,627.07

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Solution

The fourth proportional to 55,965.03, 77,301.03 and 40,627.07 is: 56,115.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,965.03 : 77,301.03 = 40,627.07 : x
  2. Step 2: Convert to fraction form
    55,965.03/77,301.03 = 40,627.07/x
  3. Step 3: Cross multiply
    55,965.03x = 77,301.03 × 40,627.07
  4. Step 4: Simplify right side
    55,965.03x = 3,140,514,412.61
  5. Step 5: Solve for x
    x = 3,140,514,412.61/55,965.03
  6. Step 6: Final answer
    x = 56,115.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.