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Finding the Fourth Proportional to 48,378.99, 72,567.74 and 34,088.39

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Solution

The fourth proportional to 48,378.99, 72,567.74 and 34,088.39 is: 51,132.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,378.99 : 72,567.74 = 34,088.39 : x
  2. Step 2: Convert to fraction form
    48,378.99/72,567.74 = 34,088.39/x
  3. Step 3: Cross multiply
    48,378.99x = 72,567.74 × 34,088.39
  4. Step 4: Simplify right side
    48,378.99x = 2,473,716,889.26
  5. Step 5: Solve for x
    x = 2,473,716,889.26/48,378.99
  6. Step 6: Final answer
    x = 51,132.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.