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Finding the Fourth Proportional to 60,123.90, 82,970.55 and 33,266.46

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Solution

The fourth proportional to 60,123.90, 82,970.55 and 33,266.46 is: 45,907.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,123.90 : 82,970.55 = 33,266.46 : x
  2. Step 2: Convert to fraction form
    60,123.90/82,970.55 = 33,266.46/x
  3. Step 3: Cross multiply
    60,123.90x = 82,970.55 × 33,266.46
  4. Step 4: Simplify right side
    60,123.90x = 2,760,136,482.75
  5. Step 5: Solve for x
    x = 2,760,136,482.75/60,123.90
  6. Step 6: Final answer
    x = 45,907.48

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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.