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Finding the Fourth Proportional to 72,275.80, 108,386.72 and 24,877.64

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Solution

The fourth proportional to 72,275.80, 108,386.72 and 24,877.64 is: 37,307.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,275.80 : 108,386.72 = 24,877.64 : x
  2. Step 2: Convert to fraction form
    72,275.80/108,386.72 = 24,877.64/x
  3. Step 3: Cross multiply
    72,275.80x = 108,386.72 × 24,877.64
  4. Step 4: Simplify right side
    72,275.80x = 2,696,405,800.94
  5. Step 5: Solve for x
    x = 2,696,405,800.94/72,275.80
  6. Step 6: Final answer
    x = 37,307.17

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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.