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Finding the Fourth Proportional to 67,477.34, 93,129.95 and 40,256.93

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Solution

The fourth proportional to 67,477.34, 93,129.95 and 40,256.93 is: 55,561.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,477.34 : 93,129.95 = 40,256.93 : x
  2. Step 2: Convert to fraction form
    67,477.34/93,129.95 = 40,256.93/x
  3. Step 3: Cross multiply
    67,477.34x = 93,129.95 × 40,256.93
  4. Step 4: Simplify right side
    67,477.34x = 3,749,125,211.12
  5. Step 5: Solve for x
    x = 3,749,125,211.12/67,477.34
  6. Step 6: Final answer
    x = 55,561.25

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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.