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Finding the Fourth Proportional to 10,366,635.30, 15,549,952.95 and 4,974,368.10

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Solution

The fourth proportional to 10,366,635.30, 15,549,952.95 and 4,974,368.10 is: 7,461,552.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366,635.30 : 15,549,952.95 = 4,974,368.10 : x
  2. Step 2: Convert to fraction form
    10,366,635.30/15,549,952.95 = 4,974,368.10/x
  3. Step 3: Cross multiply
    10,366,635.30x = 15,549,952.95 × 4,974,368.10
  4. Step 4: Simplify right side
    10,366,635.30x = 77,351,189,910,980.89
  5. Step 5: Solve for x
    x = 77,351,189,910,980.89/10,366,635.30
  6. Step 6: Final answer
    x = 7,461,552.15

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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.