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Finding the Fourth Proportional to 66,547.53, 91,833.18 and 36,332.30

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Solution

The fourth proportional to 66,547.53, 91,833.18 and 36,332.30 is: 50,137.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,547.53 : 91,833.18 = 36,332.30 : x
  2. Step 2: Convert to fraction form
    66,547.53/91,833.18 = 36,332.30/x
  3. Step 3: Cross multiply
    66,547.53x = 91,833.18 × 36,332.30
  4. Step 4: Simplify right side
    66,547.53x = 3,336,510,186.55
  5. Step 5: Solve for x
    x = 3,336,510,186.55/66,547.53
  6. Step 6: Final answer
    x = 50,137.25

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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.