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Finding the Fourth Proportional to 66,436.40, 92,317.02 and 65,598.06

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Solution

The fourth proportional to 66,436.40, 92,317.02 and 65,598.06 is: 91,152.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,436.40 : 92,317.02 = 65,598.06 : x
  2. Step 2: Convert to fraction form
    66,436.40/92,317.02 = 65,598.06/x
  3. Step 3: Cross multiply
    66,436.40x = 92,317.02 × 65,598.06
  4. Step 4: Simplify right side
    66,436.40x = 6,055,817,088.99
  5. Step 5: Solve for x
    x = 6,055,817,088.99/66,436.40
  6. Step 6: Final answer
    x = 91,152.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.