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Finding the Fourth Proportional to 72,552.40, 108,846.98 and 35,130.40

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Solution

The fourth proportional to 72,552.40, 108,846.98 and 35,130.40 is: 52,704.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,552.40 : 108,846.98 = 35,130.40 : x
  2. Step 2: Convert to fraction form
    72,552.40/108,846.98 = 35,130.40/x
  3. Step 3: Cross multiply
    72,552.40x = 108,846.98 × 35,130.40
  4. Step 4: Simplify right side
    72,552.40x = 3,823,837,946.19
  5. Step 5: Solve for x
    x = 3,823,837,946.19/72,552.40
  6. Step 6: Final answer
    x = 52,704.50

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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.