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Finding the Fourth Proportional to 67,884.72, 93,700.08 and 47,746.32

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Solution

The fourth proportional to 67,884.72, 93,700.08 and 47,746.32 is: 65,903.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,884.72 : 93,700.08 = 47,746.32 : x
  2. Step 2: Convert to fraction form
    67,884.72/93,700.08 = 47,746.32/x
  3. Step 3: Cross multiply
    67,884.72x = 93,700.08 × 47,746.32
  4. Step 4: Simplify right side
    67,884.72x = 4,473,834,003.71
  5. Step 5: Solve for x
    x = 4,473,834,003.71/67,884.72
  6. Step 6: Final answer
    x = 65,903.40

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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.