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Finding the Fourth Proportional to 64,302.30, 96,515.70 and 31,045.70

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Solution

The fourth proportional to 64,302.30, 96,515.70 and 31,045.70 is: 46,598.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,302.30 : 96,515.70 = 31,045.70 : x
  2. Step 2: Convert to fraction form
    64,302.30/96,515.70 = 31,045.70/x
  3. Step 3: Cross multiply
    64,302.30x = 96,515.70 × 31,045.70
  4. Step 4: Simplify right side
    64,302.30x = 2,996,397,467.49
  5. Step 5: Solve for x
    x = 2,996,397,467.49/64,302.30
  6. Step 6: Final answer
    x = 46,598.60

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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.