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Finding the Fourth Proportional to 35,425.32, 48,887 and 19,509.81

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Solution

The fourth proportional to 35,425.32, 48,887 and 19,509.81 is: 26,923.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,425.32 : 48,887 = 19,509.81 : x
  2. Step 2: Convert to fraction form
    35,425.32/48,887 = 19,509.81/x
  3. Step 3: Cross multiply
    35,425.32x = 48,887 × 19,509.81
  4. Step 4: Simplify right side
    35,425.32x = 953,776,081.47
  5. Step 5: Solve for x
    x = 953,776,081.47/35,425.32
  6. Step 6: Final answer
    x = 26,923.57

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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.