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Finding the Fourth Proportional to 65,423.40, 97,940.70 and 65,423.40

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Solution

The fourth proportional to 65,423.40, 97,940.70 and 65,423.40 is: 97,940.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,423.40 : 97,940.70 = 65,423.40 : x
  2. Step 2: Convert to fraction form
    65,423.40/97,940.70 = 65,423.40/x
  3. Step 3: Cross multiply
    65,423.40x = 97,940.70 × 65,423.40
  4. Step 4: Simplify right side
    65,423.40x = 6,407,613,592.38
  5. Step 5: Solve for x
    x = 6,407,613,592.38/65,423.40
  6. Step 6: Final answer
    x = 97,940.70

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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.