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Finding the Fourth Proportional to 61,804.76, 85,291.23 and 36,312.20

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Solution

The fourth proportional to 61,804.76, 85,291.23 and 36,312.20 is: 50,111.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,804.76 : 85,291.23 = 36,312.20 : x
  2. Step 2: Convert to fraction form
    61,804.76/85,291.23 = 36,312.20/x
  3. Step 3: Cross multiply
    61,804.76x = 85,291.23 × 36,312.20
  4. Step 4: Simplify right side
    61,804.76x = 3,097,111,775.55
  5. Step 5: Solve for x
    x = 3,097,111,775.55/61,804.76
  6. Step 6: Final answer
    x = 50,111.22

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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.