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Finding the Fourth Proportional to 64,307.44, 96,344.52 and 47,482.12

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Solution

The fourth proportional to 64,307.44, 96,344.52 and 47,482.12 is: 71,137.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,307.44 : 96,344.52 = 47,482.12 : x
  2. Step 2: Convert to fraction form
    64,307.44/96,344.52 = 47,482.12/x
  3. Step 3: Cross multiply
    64,307.44x = 96,344.52 × 47,482.12
  4. Step 4: Simplify right side
    64,307.44x = 4,574,642,059.98
  5. Step 5: Solve for x
    x = 4,574,642,059.98/64,307.44
  6. Step 6: Final answer
    x = 71,137.06

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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.