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Finding the Fourth Proportional to 65,308.95, 97,969.50 and 23,184.90

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Solution

The fourth proportional to 65,308.95, 97,969.50 and 23,184.90 is: 34,779.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,308.95 : 97,969.50 = 23,184.90 : x
  2. Step 2: Convert to fraction form
    65,308.95/97,969.50 = 23,184.90/x
  3. Step 3: Cross multiply
    65,308.95x = 97,969.50 × 23,184.90
  4. Step 4: Simplify right side
    65,308.95x = 2,271,413,060.55
  5. Step 5: Solve for x
    x = 2,271,413,060.55/65,308.95
  6. Step 6: Final answer
    x = 34,779.51

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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.