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Finding the Fourth Proportional to 51,368.50, 70,888.53 and 29,012.50

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Solution

The fourth proportional to 51,368.50, 70,888.53 and 29,012.50 is: 40,037.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,368.50 : 70,888.53 = 29,012.50 : x
  2. Step 2: Convert to fraction form
    51,368.50/70,888.53 = 29,012.50/x
  3. Step 3: Cross multiply
    51,368.50x = 70,888.53 × 29,012.50
  4. Step 4: Simplify right side
    51,368.50x = 2,056,653,476.63
  5. Step 5: Solve for x
    x = 2,056,653,476.63/51,368.50
  6. Step 6: Final answer
    x = 40,037.25

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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.