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Finding the Fourth Proportional to 61,888.01, 85,407.37 and 36,389.77

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Solution

The fourth proportional to 61,888.01, 85,407.37 and 36,389.77 is: 50,219.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,888.01 : 85,407.37 = 36,389.77 : x
  2. Step 2: Convert to fraction form
    61,888.01/85,407.37 = 36,389.77/x
  3. Step 3: Cross multiply
    61,888.01x = 85,407.37 × 36,389.77
  4. Step 4: Simplify right side
    61,888.01x = 3,107,954,368.66
  5. Step 5: Solve for x
    x = 3,107,954,368.66/61,888.01
  6. Step 6: Final answer
    x = 50,219.01

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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.