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Finding the Fourth Proportional to 46,079, 63,566.70 and 40,101.20

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Solution

The fourth proportional to 46,079, 63,566.70 and 40,101.20 is: 55,320.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,079 : 63,566.70 = 40,101.20 : x
  2. Step 2: Convert to fraction form
    46,079/63,566.70 = 40,101.20/x
  3. Step 3: Cross multiply
    46,079x = 63,566.70 × 40,101.20
  4. Step 4: Simplify right side
    46,079x = 2,549,100,950.04
  5. Step 5: Solve for x
    x = 2,549,100,950.04/46,079
  6. Step 6: Final answer
    x = 55,320.23

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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.