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Finding the Fourth Proportional to 65,980.06, 98,970.12 and 16,060.16

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Solution

The fourth proportional to 65,980.06, 98,970.12 and 16,060.16 is: 24,090.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,980.06 : 98,970.12 = 16,060.16 : x
  2. Step 2: Convert to fraction form
    65,980.06/98,970.12 = 16,060.16/x
  3. Step 3: Cross multiply
    65,980.06x = 98,970.12 × 16,060.16
  4. Step 4: Simplify right side
    65,980.06x = 1,589,476,209.84
  5. Step 5: Solve for x
    x = 1,589,476,209.84/65,980.06
  6. Step 6: Final answer
    x = 24,090.25

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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.