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Finding the Fourth Proportional to 46,670.80, 70,019.76 and 15,080.20

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Solution

The fourth proportional to 46,670.80, 70,019.76 and 15,080.20 is: 22,624.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,670.80 : 70,019.76 = 15,080.20 : x
  2. Step 2: Convert to fraction form
    46,670.80/70,019.76 = 15,080.20/x
  3. Step 3: Cross multiply
    46,670.80x = 70,019.76 × 15,080.20
  4. Step 4: Simplify right side
    46,670.80x = 1,055,911,984.75
  5. Step 5: Solve for x
    x = 1,055,911,984.75/46,670.80
  6. Step 6: Final answer
    x = 22,624.68

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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.