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Finding the Fourth Proportional to 64,009.40, 88,332.95 and 35,715.07

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Solution

The fourth proportional to 64,009.40, 88,332.95 and 35,715.07 is: 49,286.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,009.40 : 88,332.95 = 35,715.07 : x
  2. Step 2: Convert to fraction form
    64,009.40/88,332.95 = 35,715.07/x
  3. Step 3: Cross multiply
    64,009.40x = 88,332.95 × 35,715.07
  4. Step 4: Simplify right side
    64,009.40x = 3,154,816,872.32
  5. Step 5: Solve for x
    x = 3,154,816,872.32/64,009.40
  6. Step 6: Final answer
    x = 49,286.77

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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.