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Finding the Fourth Proportional to 64,486.03, 88,986.38 and 35,804.21

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Solution

The fourth proportional to 64,486.03, 88,986.38 and 35,804.21 is: 49,407.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,486.03 : 88,986.38 = 35,804.21 : x
  2. Step 2: Convert to fraction form
    64,486.03/88,986.38 = 35,804.21/x
  3. Step 3: Cross multiply
    64,486.03x = 88,986.38 × 35,804.21
  4. Step 4: Simplify right side
    64,486.03x = 3,186,087,082.07
  5. Step 5: Solve for x
    x = 3,186,087,082.07/64,486.03
  6. Step 6: Final answer
    x = 49,407.40

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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.