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Finding the Fourth Proportional to 66,505.32, 99,648.36 and 59,646.24

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Solution

The fourth proportional to 66,505.32, 99,648.36 and 59,646.24 is: 89,371.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,505.32 : 99,648.36 = 59,646.24 : x
  2. Step 2: Convert to fraction form
    66,505.32/99,648.36 = 59,646.24/x
  3. Step 3: Cross multiply
    66,505.32x = 99,648.36 × 59,646.24
  4. Step 4: Simplify right side
    66,505.32x = 5,943,649,996.17
  5. Step 5: Solve for x
    x = 5,943,649,996.17/66,505.32
  6. Step 6: Final answer
    x = 89,371.05

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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.