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Finding the Fourth Proportional to 60,810.80, 83,895.06 and 35,312.80

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Solution

The fourth proportional to 60,810.80, 83,895.06 and 35,312.80 is: 48,717.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,810.80 : 83,895.06 = 35,312.80 : x
  2. Step 2: Convert to fraction form
    60,810.80/83,895.06 = 35,312.80/x
  3. Step 3: Cross multiply
    60,810.80x = 83,895.06 × 35,312.80
  4. Step 4: Simplify right side
    60,810.80x = 2,962,569,474.77
  5. Step 5: Solve for x
    x = 2,962,569,474.77/60,810.80
  6. Step 6: Final answer
    x = 48,717.82

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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.