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Finding the Fourth Proportional to 65,875.98, 98,813.63 and 15,956.08

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Solution

The fourth proportional to 65,875.98, 98,813.63 and 15,956.08 is: 23,934.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,875.98 : 98,813.63 = 15,956.08 : x
  2. Step 2: Convert to fraction form
    65,875.98/98,813.63 = 15,956.08/x
  3. Step 3: Cross multiply
    65,875.98x = 98,813.63 × 15,956.08
  4. Step 4: Simplify right side
    65,875.98x = 1,576,678,185.37
  5. Step 5: Solve for x
    x = 1,576,678,185.37/65,875.98
  6. Step 6: Final answer
    x = 23,934.04

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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.