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Finding the Fourth Proportional to 64,009.51, 88,332.93 and 35,715.20

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Solution

The fourth proportional to 64,009.51, 88,332.93 and 35,715.20 is: 49,286.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,009.51 : 88,332.93 = 35,715.20 : x
  2. Step 2: Convert to fraction form
    64,009.51/88,332.93 = 35,715.20/x
  3. Step 3: Cross multiply
    64,009.51x = 88,332.93 × 35,715.20
  4. Step 4: Simplify right side
    64,009.51x = 3,154,827,819.87
  5. Step 5: Solve for x
    x = 3,154,827,819.87/64,009.51
  6. Step 6: Final answer
    x = 49,286.86

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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.