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Finding the Fourth Proportional to 51,000.64, 70,372.80 and 29,482.39

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Solution

The fourth proportional to 51,000.64, 70,372.80 and 29,482.39 is: 40,681.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,000.64 : 70,372.80 = 29,482.39 : x
  2. Step 2: Convert to fraction form
    51,000.64/70,372.80 = 29,482.39/x
  3. Step 3: Cross multiply
    51,000.64x = 70,372.80 × 29,482.39
  4. Step 4: Simplify right side
    51,000.64x = 2,074,758,334.99
  5. Step 5: Solve for x
    x = 2,074,758,334.99/51,000.64
  6. Step 6: Final answer
    x = 40,681.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.