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Finding the Fourth Proportional to 64,935.80, 97,403.70 and 62,311.40

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Solution

The fourth proportional to 64,935.80, 97,403.70 and 62,311.40 is: 93,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,935.80 : 97,403.70 = 62,311.40 : x
  2. Step 2: Convert to fraction form
    64,935.80/97,403.70 = 62,311.40/x
  3. Step 3: Cross multiply
    64,935.80x = 97,403.70 × 62,311.40
  4. Step 4: Simplify right side
    64,935.80x = 6,069,360,912.18
  5. Step 5: Solve for x
    x = 6,069,360,912.18/64,935.80
  6. Step 6: Final answer
    x = 93,467.10

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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.