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Finding the Fourth Proportional to 46,296.40, 69,038.06 and 45,875.40

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Solution

The fourth proportional to 46,296.40, 69,038.06 and 45,875.40 is: 68,410.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,296.40 : 69,038.06 = 45,875.40 : x
  2. Step 2: Convert to fraction form
    46,296.40/69,038.06 = 45,875.40/x
  3. Step 3: Cross multiply
    46,296.40x = 69,038.06 × 45,875.40
  4. Step 4: Simplify right side
    46,296.40x = 3,167,148,617.72
  5. Step 5: Solve for x
    x = 3,167,148,617.72/46,296.40
  6. Step 6: Final answer
    x = 68,410.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.