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Finding the Fourth Proportional to 47,262.57, 70,904.87 and 15,670.32

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Solution

The fourth proportional to 47,262.57, 70,904.87 and 15,670.32 is: 23,509.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,262.57 : 70,904.87 = 15,670.32 : x
  2. Step 2: Convert to fraction form
    47,262.57/70,904.87 = 15,670.32/x
  3. Step 3: Cross multiply
    47,262.57x = 70,904.87 × 15,670.32
  4. Step 4: Simplify right side
    47,262.57x = 1,111,101,805.12
  5. Step 5: Solve for x
    x = 1,111,101,805.12/47,262.57
  6. Step 6: Final answer
    x = 23,509.13

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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.