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Finding the Fourth Proportional to 67,420.94, 93,041.88 and 37,207.67

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Solution

The fourth proportional to 67,420.94, 93,041.88 and 37,207.67 is: 51,347.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,420.94 : 93,041.88 = 37,207.67 : x
  2. Step 2: Convert to fraction form
    67,420.94/93,041.88 = 37,207.67/x
  3. Step 3: Cross multiply
    67,420.94x = 93,041.88 × 37,207.67
  4. Step 4: Simplify right side
    67,420.94x = 3,461,871,567.22
  5. Step 5: Solve for x
    x = 3,461,871,567.22/67,420.94
  6. Step 6: Final answer
    x = 51,347.13

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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.