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Finding the Fourth Proportional to 60,030.36, 89,960.88 and 45,935.76

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Solution

The fourth proportional to 60,030.36, 89,960.88 and 45,935.76 is: 68,838.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,030.36 : 89,960.88 = 45,935.76 : x
  2. Step 2: Convert to fraction form
    60,030.36/89,960.88 = 45,935.76/x
  3. Step 3: Cross multiply
    60,030.36x = 89,960.88 × 45,935.76
  4. Step 4: Simplify right side
    60,030.36x = 4,132,421,393.07
  5. Step 5: Solve for x
    x = 4,132,421,393.07/60,030.36
  6. Step 6: Final answer
    x = 68,838.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.