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Finding the Fourth Proportional to 56,394.90, 77,823.93 and 33,440.17

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Solution

The fourth proportional to 56,394.90, 77,823.93 and 33,440.17 is: 46,146.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,394.90 : 77,823.93 = 33,440.17 : x
  2. Step 2: Convert to fraction form
    56,394.90/77,823.93 = 33,440.17/x
  3. Step 3: Cross multiply
    56,394.90x = 77,823.93 × 33,440.17
  4. Step 4: Simplify right side
    56,394.90x = 2,602,445,449.27
  5. Step 5: Solve for x
    x = 2,602,445,449.27/56,394.90
  6. Step 6: Final answer
    x = 46,146.82

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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.