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Finding the Fourth Proportional to 56,001, 77,281.38 and 30,852.12

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Solution

The fourth proportional to 56,001, 77,281.38 and 30,852.12 is: 42,575.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,001 : 77,281.38 = 30,852.12 : x
  2. Step 2: Convert to fraction form
    56,001/77,281.38 = 30,852.12/x
  3. Step 3: Cross multiply
    56,001x = 77,281.38 × 30,852.12
  4. Step 4: Simplify right side
    56,001x = 2,384,294,409.53
  5. Step 5: Solve for x
    x = 2,384,294,409.53/56,001
  6. Step 6: Final answer
    x = 42,575.93

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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.