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Finding the Fourth Proportional to 67,347.16, 92,904.94 and 51,403.93

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Solution

The fourth proportional to 67,347.16, 92,904.94 and 51,403.93 is: 70,911.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,347.16 : 92,904.94 = 51,403.93 : x
  2. Step 2: Convert to fraction form
    67,347.16/92,904.94 = 51,403.93/x
  3. Step 3: Cross multiply
    67,347.16x = 92,904.94 × 51,403.93
  4. Step 4: Simplify right side
    67,347.16x = 4,775,679,032.41
  5. Step 5: Solve for x
    x = 4,775,679,032.41/67,347.16
  6. Step 6: Final answer
    x = 70,911.36

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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.