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Finding the Fourth Proportional to 64,398.52, 88,870.69 and 35,718.75

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Solution

The fourth proportional to 64,398.52, 88,870.69 and 35,718.75 is: 49,292.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,398.52 : 88,870.69 = 35,718.75 : x
  2. Step 2: Convert to fraction form
    64,398.52/88,870.69 = 35,718.75/x
  3. Step 3: Cross multiply
    64,398.52x = 88,870.69 × 35,718.75
  4. Step 4: Simplify right side
    64,398.52x = 3,174,349,335.49
  5. Step 5: Solve for x
    x = 3,174,349,335.49/64,398.52
  6. Step 6: Final answer
    x = 49,292.28

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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.