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Finding the Fourth Proportional to 97,002.88, 145,487.76 and 26,865.76

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Solution

The fourth proportional to 97,002.88, 145,487.76 and 26,865.76 is: 40,294.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,002.88 : 145,487.76 = 26,865.76 : x
  2. Step 2: Convert to fraction form
    97,002.88/145,487.76 = 26,865.76/x
  3. Step 3: Cross multiply
    97,002.88x = 145,487.76 × 26,865.76
  4. Step 4: Simplify right side
    97,002.88x = 3,908,639,243.10
  5. Step 5: Solve for x
    x = 3,908,639,243.10/97,002.88
  6. Step 6: Final answer
    x = 40,294.05

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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.