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Finding the Fourth Proportional to 43,482.93, 65,242.95 and 18,534.72

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Solution

The fourth proportional to 43,482.93, 65,242.95 and 18,534.72 is: 27,809.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,482.93 : 65,242.95 = 18,534.72 : x
  2. Step 2: Convert to fraction form
    43,482.93/65,242.95 = 18,534.72/x
  3. Step 3: Cross multiply
    43,482.93x = 65,242.95 × 18,534.72
  4. Step 4: Simplify right side
    43,482.93x = 1,209,259,810.22
  5. Step 5: Solve for x
    x = 1,209,259,810.22/43,482.93
  6. Step 6: Final answer
    x = 27,809.99

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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.