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Finding the Fourth Proportional to 66,710.88, 92,063.16 and 38,030.00

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Solution

The fourth proportional to 66,710.88, 92,063.16 and 38,030.00 is: 52,482.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,710.88 : 92,063.16 = 38,030.00 : x
  2. Step 2: Convert to fraction form
    66,710.88/92,063.16 = 38,030.00/x
  3. Step 3: Cross multiply
    66,710.88x = 92,063.16 × 38,030.00
  4. Step 4: Simplify right side
    66,710.88x = 3,501,161,514.48
  5. Step 5: Solve for x
    x = 3,501,161,514.48/66,710.88
  6. Step 6: Final answer
    x = 52,482.62

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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.