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Finding the Fourth Proportional to 85,802.30, 118,407.96 and 47,562.26

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Solution

The fourth proportional to 85,802.30, 118,407.96 and 47,562.26 is: 65,636.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,802.30 : 118,407.96 = 47,562.26 : x
  2. Step 2: Convert to fraction form
    85,802.30/118,407.96 = 47,562.26/x
  3. Step 3: Cross multiply
    85,802.30x = 118,407.96 × 47,562.26
  4. Step 4: Simplify right side
    85,802.30x = 5,631,749,587.55
  5. Step 5: Solve for x
    x = 5,631,749,587.55/85,802.30
  6. Step 6: Final answer
    x = 65,636.35

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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.