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Finding the Fourth Proportional to 66,663.91, 100,023.66 and 29,250.87

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Solution

The fourth proportional to 66,663.91, 100,023.66 and 29,250.87 is: 43,888.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,663.91 : 100,023.66 = 29,250.87 : x
  2. Step 2: Convert to fraction form
    66,663.91/100,023.66 = 29,250.87/x
  3. Step 3: Cross multiply
    66,663.91x = 100,023.66 × 29,250.87
  4. Step 4: Simplify right side
    66,663.91x = 2,925,779,075.58
  5. Step 5: Solve for x
    x = 2,925,779,075.58/66,663.91
  6. Step 6: Final answer
    x = 43,888.50

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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.