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Finding the Fourth Proportional to 66,350.48, 91,547.76 and 37,663.76

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Solution

The fourth proportional to 66,350.48, 91,547.76 and 37,663.76 is: 51,966.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,350.48 : 91,547.76 = 37,663.76 : x
  2. Step 2: Convert to fraction form
    66,350.48/91,547.76 = 37,663.76/x
  3. Step 3: Cross multiply
    66,350.48x = 91,547.76 × 37,663.76
  4. Step 4: Simplify right side
    66,350.48x = 3,448,032,861.18
  5. Step 5: Solve for x
    x = 3,448,032,861.18/66,350.48
  6. Step 6: Final answer
    x = 51,966.96

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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.