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Finding the Fourth Proportional to 72,886.85, 109,330.28 and 41,700.23

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Solution

The fourth proportional to 72,886.85, 109,330.28 and 41,700.23 is: 62,550.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,886.85 : 109,330.28 = 41,700.23 : x
  2. Step 2: Convert to fraction form
    72,886.85/109,330.28 = 41,700.23/x
  3. Step 3: Cross multiply
    72,886.85x = 109,330.28 × 41,700.23
  4. Step 4: Simplify right side
    72,886.85x = 4,559,098,482.72
  5. Step 5: Solve for x
    x = 4,559,098,482.72/72,886.85
  6. Step 6: Final answer
    x = 62,550.35

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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.