Finding the Fourth Proportional to 10,366,252.05, 15,549,378.08 and 4,973,984.85
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Solution
The fourth proportional to 10,366,252.05, 15,549,378.08 and 4,973,984.85 is: 7,460,977.28
Step by Step Solution
- Step 1: Write the proportion equation
10,366,252.05 : 15,549,378.08 = 4,973,984.85 : x - Step 2: Convert to fraction form
10,366,252.05/15,549,378.08 = 4,973,984.85/x - Step 3: Cross multiply
10,366,252.05x = 15,549,378.08 × 4,973,984.85 - Step 4: Simplify right side
10,366,252.05x = 77,342,370,971,972.16 - Step 5: Solve for x
x = 77,342,370,971,972.16/10,366,252.05 - Step 6: Final answer
x = 7,460,977.28
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Double scale
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1.5x scale
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.